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Finding the Fourth Proportional to 60,204.16, 90,320.88 and 18,084.16

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Solution

The fourth proportional to 60,204.16, 90,320.88 and 18,084.16 is: 27,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,204.16 : 90,320.88 = 18,084.16 : x
  2. Step 2: Convert to fraction form
    60,204.16/90,320.88 = 18,084.16/x
  3. Step 3: Cross multiply
    60,204.16x = 90,320.88 × 18,084.16
  4. Step 4: Simplify right side
    60,204.16x = 1,633,377,245.26
  5. Step 5: Solve for x
    x = 1,633,377,245.26/60,204.16
  6. Step 6: Final answer
    x = 27,130.64

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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.