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Finding the Fourth Proportional to 3,831.04, 5,699.93 and 3,818.08

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Solution

The fourth proportional to 3,831.04, 5,699.93 and 3,818.08 is: 5,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.04 : 5,699.93 = 3,818.08 : x
  2. Step 2: Convert to fraction form
    3,831.04/5,699.93 = 3,818.08/x
  3. Step 3: Cross multiply
    3,831.04x = 5,699.93 × 3,818.08
  4. Step 4: Simplify right side
    3,831.04x = 21,762,788.73
  5. Step 5: Solve for x
    x = 21,762,788.73/3,831.04
  6. Step 6: Final answer
    x = 5,680.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.