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Finding the Fourth Proportional to 32,028.72, 47,978.79 and 29,412.85

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Solution

The fourth proportional to 32,028.72, 47,978.79 and 29,412.85 is: 44,060.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,028.72 : 47,978.79 = 29,412.85 : x
  2. Step 2: Convert to fraction form
    32,028.72/47,978.79 = 29,412.85/x
  3. Step 3: Cross multiply
    32,028.72x = 47,978.79 × 29,412.85
  4. Step 4: Simplify right side
    32,028.72x = 1,411,192,953.45
  5. Step 5: Solve for x
    x = 1,411,192,953.45/32,028.72
  6. Step 6: Final answer
    x = 44,060.24

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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.