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Finding the Fourth Proportional to 8,948.56, 13,432.56 and 6,601.20

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Solution

The fourth proportional to 8,948.56, 13,432.56 and 6,601.20 is: 9,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.56 : 13,432.56 = 6,601.20 : x
  2. Step 2: Convert to fraction form
    8,948.56/13,432.56 = 6,601.20/x
  3. Step 3: Cross multiply
    8,948.56x = 13,432.56 × 6,601.20
  4. Step 4: Simplify right side
    8,948.56x = 88,671,015.07
  5. Step 5: Solve for x
    x = 88,671,015.07/8,948.56
  6. Step 6: Final answer
    x = 9,908.97

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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.