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Finding the Fourth Proportional to 64,873.71, 89,525.79 and 38,010.87

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Solution

The fourth proportional to 64,873.71, 89,525.79 and 38,010.87 is: 52,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,873.71 : 89,525.79 = 38,010.87 : x
  2. Step 2: Convert to fraction form
    64,873.71/89,525.79 = 38,010.87/x
  3. Step 3: Cross multiply
    64,873.71x = 89,525.79 × 38,010.87
  4. Step 4: Simplify right side
    64,873.71x = 3,402,953,165.34
  5. Step 5: Solve for x
    x = 3,402,953,165.34/64,873.71
  6. Step 6: Final answer
    x = 52,455.04

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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.