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Finding the Fourth Proportional to 8,547.10, 12,827.14 and 5,767.18

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Solution

The fourth proportional to 8,547.10, 12,827.14 and 5,767.18 is: 8,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.10 : 12,827.14 = 5,767.18 : x
  2. Step 2: Convert to fraction form
    8,547.10/12,827.14 = 5,767.18/x
  3. Step 3: Cross multiply
    8,547.10x = 12,827.14 × 5,767.18
  4. Step 4: Simplify right side
    8,547.10x = 73,976,425.27
  5. Step 5: Solve for x
    x = 73,976,425.27/8,547.10
  6. Step 6: Final answer
    x = 8,655.15

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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.