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Finding the Fourth Proportional to 8,925.56, 12,316.96 and 4,947.04

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Solution

The fourth proportional to 8,925.56, 12,316.96 and 4,947.04 is: 6,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.56 : 12,316.96 = 4,947.04 : x
  2. Step 2: Convert to fraction form
    8,925.56/12,316.96 = 4,947.04/x
  3. Step 3: Cross multiply
    8,925.56x = 12,316.96 × 4,947.04
  4. Step 4: Simplify right side
    8,925.56x = 60,932,515.38
  5. Step 5: Solve for x
    x = 60,932,515.38/8,925.56
  6. Step 6: Final answer
    x = 6,826.75

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Double scale
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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.