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Finding the Fourth Proportional to 72,572.52, 108,835.74 and 23,313

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Solution

The fourth proportional to 72,572.52, 108,835.74 and 23,313 is: 34,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,572.52 : 108,835.74 = 23,313 : x
  2. Step 2: Convert to fraction form
    72,572.52/108,835.74 = 23,313/x
  3. Step 3: Cross multiply
    72,572.52x = 108,835.74 × 23,313
  4. Step 4: Simplify right side
    72,572.52x = 2,537,287,606.62
  5. Step 5: Solve for x
    x = 2,537,287,606.62/72,572.52
  6. Step 6: Final answer
    x = 34,962.10

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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.