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Finding the Fourth Proportional to 8,986.52, 12,401.29 and 5,008.07

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Solution

The fourth proportional to 8,986.52, 12,401.29 and 5,008.07 is: 6,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.52 : 12,401.29 = 5,008.07 : x
  2. Step 2: Convert to fraction form
    8,986.52/12,401.29 = 5,008.07/x
  3. Step 3: Cross multiply
    8,986.52x = 12,401.29 × 5,008.07
  4. Step 4: Simplify right side
    8,986.52x = 62,106,528.41
  5. Step 5: Solve for x
    x = 62,106,528.41/8,986.52
  6. Step 6: Final answer
    x = 6,911.08

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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.