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Finding the Fourth Proportional to 8,547.92, 12,826.24 and 3,934.16

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Solution

The fourth proportional to 8,547.92, 12,826.24 and 3,934.16 is: 5,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.92 : 12,826.24 = 3,934.16 : x
  2. Step 2: Convert to fraction form
    8,547.92/12,826.24 = 3,934.16/x
  3. Step 3: Cross multiply
    8,547.92x = 12,826.24 × 3,934.16
  4. Step 4: Simplify right side
    8,547.92x = 50,460,480.36
  5. Step 5: Solve for x
    x = 50,460,480.36/8,547.92
  6. Step 6: Final answer
    x = 5,903.25

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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.