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Finding the Fourth Proportional to 60,724.16, 91,078.02 and 16,353.60

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Solution

The fourth proportional to 60,724.16, 91,078.02 and 16,353.60 is: 24,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,724.16 : 91,078.02 = 16,353.60 : x
  2. Step 2: Convert to fraction form
    60,724.16/91,078.02 = 16,353.60/x
  3. Step 3: Cross multiply
    60,724.16x = 91,078.02 × 16,353.60
  4. Step 4: Simplify right side
    60,724.16x = 1,489,453,507.87
  5. Step 5: Solve for x
    x = 1,489,453,507.87/60,724.16
  6. Step 6: Final answer
    x = 24,528.19

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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.