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Finding the Fourth Proportional to 52,541.80, 78,812.70 and 32,842.60

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Solution

The fourth proportional to 52,541.80, 78,812.70 and 32,842.60 is: 49,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,541.80 : 78,812.70 = 32,842.60 : x
  2. Step 2: Convert to fraction form
    52,541.80/78,812.70 = 32,842.60/x
  3. Step 3: Cross multiply
    52,541.80x = 78,812.70 × 32,842.60
  4. Step 4: Simplify right side
    52,541.80x = 2,588,413,981.02
  5. Step 5: Solve for x
    x = 2,588,413,981.02/52,541.80
  6. Step 6: Final answer
    x = 49,263.90

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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.