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Finding the Fourth Proportional to 4,924.77, 6,831.01 and 4,747.45

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Solution

The fourth proportional to 4,924.77, 6,831.01 and 4,747.45 is: 6,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,924.77 : 6,831.01 = 4,747.45 : x
  2. Step 2: Convert to fraction form
    4,924.77/6,831.01 = 4,747.45/x
  3. Step 3: Cross multiply
    4,924.77x = 6,831.01 × 4,747.45
  4. Step 4: Simplify right side
    4,924.77x = 32,429,878.42
  5. Step 5: Solve for x
    x = 32,429,878.42/4,924.77
  6. Step 6: Final answer
    x = 6,585.05

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Find fourth proportional to 2,462.39, 3,415.51 and 2,373.73
Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.