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Finding the Fourth Proportional to 52,559.60, 78,869.72 and 29,184.08

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Solution

The fourth proportional to 52,559.60, 78,869.72 and 29,184.08 is: 43,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,559.60 : 78,869.72 = 29,184.08 : x
  2. Step 2: Convert to fraction form
    52,559.60/78,869.72 = 29,184.08/x
  3. Step 3: Cross multiply
    52,559.60x = 78,869.72 × 29,184.08
  4. Step 4: Simplify right side
    52,559.60x = 2,301,740,218.06
  5. Step 5: Solve for x
    x = 2,301,740,218.06/52,559.60
  6. Step 6: Final answer
    x = 43,792.96

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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.