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Finding the Fourth Proportional to 60,085.48, 90,141.15 and 17,968.90

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Solution

The fourth proportional to 60,085.48, 90,141.15 and 17,968.90 is: 26,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,085.48 : 90,141.15 = 17,968.90 : x
  2. Step 2: Convert to fraction form
    60,085.48/90,141.15 = 17,968.90/x
  3. Step 3: Cross multiply
    60,085.48x = 90,141.15 × 17,968.90
  4. Step 4: Simplify right side
    60,085.48x = 1,619,737,310.24
  5. Step 5: Solve for x
    x = 1,619,737,310.24/60,085.48
  6. Step 6: Final answer
    x = 26,957.22

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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.