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Finding the Fourth Proportional to 64,687.53, 89,266.46 and 36,006.24

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Solution

The fourth proportional to 64,687.53, 89,266.46 and 36,006.24 is: 49,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,687.53 : 89,266.46 = 36,006.24 : x
  2. Step 2: Convert to fraction form
    64,687.53/89,266.46 = 36,006.24/x
  3. Step 3: Cross multiply
    64,687.53x = 89,266.46 × 36,006.24
  4. Step 4: Simplify right side
    64,687.53x = 3,214,149,582.71
  5. Step 5: Solve for x
    x = 3,214,149,582.71/64,687.53
  6. Step 6: Final answer
    x = 49,687.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.