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Finding the Fourth Proportional to 47,317, 70,987.50 and 17,734.92

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Solution

The fourth proportional to 47,317, 70,987.50 and 17,734.92 is: 26,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,317 : 70,987.50 = 17,734.92 : x
  2. Step 2: Convert to fraction form
    47,317/70,987.50 = 17,734.92/x
  3. Step 3: Cross multiply
    47,317x = 70,987.50 × 17,734.92
  4. Step 4: Simplify right side
    47,317x = 1,258,957,633.50
  5. Step 5: Solve for x
    x = 1,258,957,633.50/47,317
  6. Step 6: Final answer
    x = 26,606.88

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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.