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Finding the Fourth Proportional to 64,339.40, 96,476.70 and 38,052.20

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Solution

The fourth proportional to 64,339.40, 96,476.70 and 38,052.20 is: 57,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,339.40 : 96,476.70 = 38,052.20 : x
  2. Step 2: Convert to fraction form
    64,339.40/96,476.70 = 38,052.20/x
  3. Step 3: Cross multiply
    64,339.40x = 96,476.70 × 38,052.20
  4. Step 4: Simplify right side
    64,339.40x = 3,671,150,683.74
  5. Step 5: Solve for x
    x = 3,671,150,683.74/64,339.40
  6. Step 6: Final answer
    x = 57,059.14

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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.