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Finding the Fourth Proportional to 64,886.52, 97,329.78 and 25,462.20

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Solution

The fourth proportional to 64,886.52, 97,329.78 and 25,462.20 is: 38,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,886.52 : 97,329.78 = 25,462.20 : x
  2. Step 2: Convert to fraction form
    64,886.52/97,329.78 = 25,462.20/x
  3. Step 3: Cross multiply
    64,886.52x = 97,329.78 × 25,462.20
  4. Step 4: Simplify right side
    64,886.52x = 2,478,230,324.32
  5. Step 5: Solve for x
    x = 2,478,230,324.32/64,886.52
  6. Step 6: Final answer
    x = 38,193.30

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1.5x scale

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.