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Finding the Fourth Proportional to 62,937.92, 94,409.12 and 21,379.52

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Solution

The fourth proportional to 62,937.92, 94,409.12 and 21,379.52 is: 32,070.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,937.92 : 94,409.12 = 21,379.52 : x
  2. Step 2: Convert to fraction form
    62,937.92/94,409.12 = 21,379.52/x
  3. Step 3: Cross multiply
    62,937.92x = 94,409.12 × 21,379.52
  4. Step 4: Simplify right side
    62,937.92x = 2,018,421,669.22
  5. Step 5: Solve for x
    x = 2,018,421,669.22/62,937.92
  6. Step 6: Final answer
    x = 32,070.04

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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.