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Finding the Fourth Proportional to 8,585.84, 12,862.05 and 6,330.26

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Solution

The fourth proportional to 8,585.84, 12,862.05 and 6,330.26 is: 9,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.84 : 12,862.05 = 6,330.26 : x
  2. Step 2: Convert to fraction form
    8,585.84/12,862.05 = 6,330.26/x
  3. Step 3: Cross multiply
    8,585.84x = 12,862.05 × 6,330.26
  4. Step 4: Simplify right side
    8,585.84x = 81,420,110.68
  5. Step 5: Solve for x
    x = 81,420,110.68/8,585.84
  6. Step 6: Final answer
    x = 9,483.07

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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.