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Finding the Fourth Proportional to 57,898.04, 86,360.28 and 52,582.82

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Solution

The fourth proportional to 57,898.04, 86,360.28 and 52,582.82 is: 78,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,898.04 : 86,360.28 = 52,582.82 : x
  2. Step 2: Convert to fraction form
    57,898.04/86,360.28 = 52,582.82/x
  3. Step 3: Cross multiply
    57,898.04x = 86,360.28 × 52,582.82
  4. Step 4: Simplify right side
    57,898.04x = 4,541,066,795.48
  5. Step 5: Solve for x
    x = 4,541,066,795.48/57,898.04
  6. Step 6: Final answer
    x = 78,432.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.