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Finding the Fourth Proportional to 64,491.52, 89,006.70 and 36,197.24

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Solution

The fourth proportional to 64,491.52, 89,006.70 and 36,197.24 is: 49,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,491.52 : 89,006.70 = 36,197.24 : x
  2. Step 2: Convert to fraction form
    64,491.52/89,006.70 = 36,197.24/x
  3. Step 3: Cross multiply
    64,491.52x = 89,006.70 × 36,197.24
  4. Step 4: Simplify right side
    64,491.52x = 3,221,796,881.51
  5. Step 5: Solve for x
    x = 3,221,796,881.51/64,491.52
  6. Step 6: Final answer
    x = 49,956.91

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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.