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Finding the Fourth Proportional to 64,903.68, 89,567.52 and 38,046.72

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Solution

The fourth proportional to 64,903.68, 89,567.52 and 38,046.72 is: 52,504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,903.68 : 89,567.52 = 38,046.72 : x
  2. Step 2: Convert to fraction form
    64,903.68/89,567.52 = 38,046.72/x
  3. Step 3: Cross multiply
    64,903.68x = 89,567.52 × 38,046.72
  4. Step 4: Simplify right side
    64,903.68x = 3,407,750,354.53
  5. Step 5: Solve for x
    x = 3,407,750,354.53/64,903.68
  6. Step 6: Final answer
    x = 52,504.73

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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.