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Finding the Fourth Proportional to 9,059.68, 12,502.56 and 6,411.84

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Solution

The fourth proportional to 9,059.68, 12,502.56 and 6,411.84 is: 8,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,059.68 : 12,502.56 = 6,411.84 : x
  2. Step 2: Convert to fraction form
    9,059.68/12,502.56 = 6,411.84/x
  3. Step 3: Cross multiply
    9,059.68x = 12,502.56 × 6,411.84
  4. Step 4: Simplify right side
    9,059.68x = 80,164,414.31
  5. Step 5: Solve for x
    x = 80,164,414.31/9,059.68
  6. Step 6: Final answer
    x = 8,848.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.