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Finding the Fourth Proportional to 60,373.10, 90,555.60 and 15,998.90

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Solution

The fourth proportional to 60,373.10, 90,555.60 and 15,998.90 is: 23,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,373.10 : 90,555.60 = 15,998.90 : x
  2. Step 2: Convert to fraction form
    60,373.10/90,555.60 = 15,998.90/x
  3. Step 3: Cross multiply
    60,373.10x = 90,555.60 × 15,998.90
  4. Step 4: Simplify right side
    60,373.10x = 1,448,789,988.84
  5. Step 5: Solve for x
    x = 1,448,789,988.84/60,373.10
  6. Step 6: Final answer
    x = 23,997.28

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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.