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Finding the Fourth Proportional to 65,007.70, 97,511.55 and 38,326.30

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Solution

The fourth proportional to 65,007.70, 97,511.55 and 38,326.30 is: 57,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,007.70 : 97,511.55 = 38,326.30 : x
  2. Step 2: Convert to fraction form
    65,007.70/97,511.55 = 38,326.30/x
  3. Step 3: Cross multiply
    65,007.70x = 97,511.55 × 38,326.30
  4. Step 4: Simplify right side
    65,007.70x = 3,737,256,918.77
  5. Step 5: Solve for x
    x = 3,737,256,918.77/65,007.70
  6. Step 6: Final answer
    x = 57,489.45

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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.