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Finding the Fourth Proportional to 72,047.66, 107,997.64 and 29,952.16

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Solution

The fourth proportional to 72,047.66, 107,997.64 and 29,952.16 is: 44,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,047.66 : 107,997.64 = 29,952.16 : x
  2. Step 2: Convert to fraction form
    72,047.66/107,997.64 = 29,952.16/x
  3. Step 3: Cross multiply
    72,047.66x = 107,997.64 × 29,952.16
  4. Step 4: Simplify right side
    72,047.66x = 3,234,762,248.03
  5. Step 5: Solve for x
    x = 3,234,762,248.03/72,047.66
  6. Step 6: Final answer
    x = 44,897.54

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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.