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Finding the Fourth Proportional to 62,448.90, 93,640.95 and 22,985.70

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Solution

The fourth proportional to 62,448.90, 93,640.95 and 22,985.70 is: 34,466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,448.90 : 93,640.95 = 22,985.70 : x
  2. Step 2: Convert to fraction form
    62,448.90/93,640.95 = 22,985.70/x
  3. Step 3: Cross multiply
    62,448.90x = 93,640.95 × 22,985.70
  4. Step 4: Simplify right side
    62,448.90x = 2,152,402,784.42
  5. Step 5: Solve for x
    x = 2,152,402,784.42/62,448.90
  6. Step 6: Final answer
    x = 34,466.62

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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.