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Finding the Fourth Proportional to 62,663.36, 93,990.66 and 29,390.72

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Solution

The fourth proportional to 62,663.36, 93,990.66 and 29,390.72 is: 44,084.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,663.36 : 93,990.66 = 29,390.72 : x
  2. Step 2: Convert to fraction form
    62,663.36/93,990.66 = 29,390.72/x
  3. Step 3: Cross multiply
    62,663.36x = 93,990.66 × 29,390.72
  4. Step 4: Simplify right side
    62,663.36x = 2,762,453,170.68
  5. Step 5: Solve for x
    x = 2,762,453,170.68/62,663.36
  6. Step 6: Final answer
    x = 44,084.03

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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.