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Finding the Fourth Proportional to 62,543.47, 93,824.93 and 21,000.19

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Solution

The fourth proportional to 62,543.47, 93,824.93 and 21,000.19 is: 31,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,543.47 : 93,824.93 = 21,000.19 : x
  2. Step 2: Convert to fraction form
    62,543.47/93,824.93 = 21,000.19/x
  3. Step 3: Cross multiply
    62,543.47x = 93,824.93 × 21,000.19
  4. Step 4: Simplify right side
    62,543.47x = 1,970,341,356.74
  5. Step 5: Solve for x
    x = 1,970,341,356.74/62,543.47
  6. Step 6: Final answer
    x = 31,503.55

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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.