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Finding the Fourth Proportional to 8,547.71, 12,821.51 and 4,600.83

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Solution

The fourth proportional to 8,547.71, 12,821.51 and 4,600.83 is: 6,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.71 : 12,821.51 = 4,600.83 : x
  2. Step 2: Convert to fraction form
    8,547.71/12,821.51 = 4,600.83/x
  3. Step 3: Cross multiply
    8,547.71x = 12,821.51 × 4,600.83
  4. Step 4: Simplify right side
    8,547.71x = 58,989,544.30
  5. Step 5: Solve for x
    x = 58,989,544.30/8,547.71
  6. Step 6: Final answer
    x = 6,901.21

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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.