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Finding the Fourth Proportional to 59,802.78, 89,706.23 and 31,684.80

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Solution

The fourth proportional to 59,802.78, 89,706.23 and 31,684.80 is: 47,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,802.78 : 89,706.23 = 31,684.80 : x
  2. Step 2: Convert to fraction form
    59,802.78/89,706.23 = 31,684.80/x
  3. Step 3: Cross multiply
    59,802.78x = 89,706.23 × 31,684.80
  4. Step 4: Simplify right side
    59,802.78x = 2,842,323,956.30
  5. Step 5: Solve for x
    x = 2,842,323,956.30/59,802.78
  6. Step 6: Final answer
    x = 47,528.29

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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.