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Finding the Fourth Proportional to 62,281.80, 93,422.70 and 57,470.40

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Solution

The fourth proportional to 62,281.80, 93,422.70 and 57,470.40 is: 86,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,281.80 : 93,422.70 = 57,470.40 : x
  2. Step 2: Convert to fraction form
    62,281.80/93,422.70 = 57,470.40/x
  3. Step 3: Cross multiply
    62,281.80x = 93,422.70 × 57,470.40
  4. Step 4: Simplify right side
    62,281.80x = 5,369,039,938.08
  5. Step 5: Solve for x
    x = 5,369,039,938.08/62,281.80
  6. Step 6: Final answer
    x = 86,205.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.