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Finding the Fourth Proportional to 60,085.98, 90,141.90 and 17,969.40

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Solution

The fourth proportional to 60,085.98, 90,141.90 and 17,969.40 is: 26,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,085.98 : 90,141.90 = 17,969.40 : x
  2. Step 2: Convert to fraction form
    60,085.98/90,141.90 = 17,969.40/x
  3. Step 3: Cross multiply
    60,085.98x = 90,141.90 × 17,969.40
  4. Step 4: Simplify right side
    60,085.98x = 1,619,795,857.86
  5. Step 5: Solve for x
    x = 1,619,795,857.86/60,085.98
  6. Step 6: Final answer
    x = 26,957.97

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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.