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Finding the Fourth Proportional to 9,908.60, 14,862.90 and 3,334.10

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Solution

The fourth proportional to 9,908.60, 14,862.90 and 3,334.10 is: 5,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.60 : 14,862.90 = 3,334.10 : x
  2. Step 2: Convert to fraction form
    9,908.60/14,862.90 = 3,334.10/x
  3. Step 3: Cross multiply
    9,908.60x = 14,862.90 × 3,334.10
  4. Step 4: Simplify right side
    9,908.60x = 49,554,394.89
  5. Step 5: Solve for x
    x = 49,554,394.89/9,908.60
  6. Step 6: Final answer
    x = 5,001.15

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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.