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Finding the Fourth Proportional to 39,617, 54,671.46 and 23,702.12

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Solution

The fourth proportional to 39,617, 54,671.46 and 23,702.12 is: 32,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,617 : 54,671.46 = 23,702.12 : x
  2. Step 2: Convert to fraction form
    39,617/54,671.46 = 23,702.12/x
  3. Step 3: Cross multiply
    39,617x = 54,671.46 × 23,702.12
  4. Step 4: Simplify right side
    39,617x = 1,295,829,505.50
  5. Step 5: Solve for x
    x = 1,295,829,505.50/39,617
  6. Step 6: Final answer
    x = 32,708.93

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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.