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Finding the Fourth Proportional to 54,113, 81,098.22 and 22,909.64

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Solution

The fourth proportional to 54,113, 81,098.22 and 22,909.64 is: 34,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113 : 81,098.22 = 22,909.64 : x
  2. Step 2: Convert to fraction form
    54,113/81,098.22 = 22,909.64/x
  3. Step 3: Cross multiply
    54,113x = 81,098.22 × 22,909.64
  4. Step 4: Simplify right side
    54,113x = 1,857,931,024.84
  5. Step 5: Solve for x
    x = 1,857,931,024.84/54,113
  6. Step 6: Final answer
    x = 34,334.28

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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.