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Finding the Fourth Proportional to 8,701.80, 12,009.03 and 4,923.52

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Solution

The fourth proportional to 8,701.80, 12,009.03 and 4,923.52 is: 6,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.80 : 12,009.03 = 4,923.52 : x
  2. Step 2: Convert to fraction form
    8,701.80/12,009.03 = 4,923.52/x
  3. Step 3: Cross multiply
    8,701.80x = 12,009.03 × 4,923.52
  4. Step 4: Simplify right side
    8,701.80x = 59,126,718.45
  5. Step 5: Solve for x
    x = 59,126,718.45/8,701.80
  6. Step 6: Final answer
    x = 6,794.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.