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Finding the Fourth Proportional to 52,670.65, 79,037.15 and 19,414.07

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Solution

The fourth proportional to 52,670.65, 79,037.15 and 19,414.07 is: 29,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,670.65 : 79,037.15 = 19,414.07 : x
  2. Step 2: Convert to fraction form
    52,670.65/79,037.15 = 19,414.07/x
  3. Step 3: Cross multiply
    52,670.65x = 79,037.15 × 19,414.07
  4. Step 4: Simplify right side
    52,670.65x = 1,534,432,762.70
  5. Step 5: Solve for x
    x = 1,534,432,762.70/52,670.65
  6. Step 6: Final answer
    x = 29,132.60

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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.