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Finding the Fourth Proportional to 60,834.31, 91,244.27 and 18,714.31

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Solution

The fourth proportional to 60,834.31, 91,244.27 and 18,714.31 is: 28,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,834.31 : 91,244.27 = 18,714.31 : x
  2. Step 2: Convert to fraction form
    60,834.31/91,244.27 = 18,714.31/x
  3. Step 3: Cross multiply
    60,834.31x = 91,244.27 × 18,714.31
  4. Step 4: Simplify right side
    60,834.31x = 1,707,573,373.18
  5. Step 5: Solve for x
    x = 1,707,573,373.18/60,834.31
  6. Step 6: Final answer
    x = 28,069.25

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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.