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Finding the Fourth Proportional to 9,867.98, 14,802.12 and 3,294.20

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Solution

The fourth proportional to 9,867.98, 14,802.12 and 3,294.20 is: 4,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.98 : 14,802.12 = 3,294.20 : x
  2. Step 2: Convert to fraction form
    9,867.98/14,802.12 = 3,294.20/x
  3. Step 3: Cross multiply
    9,867.98x = 14,802.12 × 3,294.20
  4. Step 4: Simplify right side
    9,867.98x = 48,761,069.69
  5. Step 5: Solve for x
    x = 48,761,069.69/9,867.98
  6. Step 6: Final answer
    x = 4,941.35

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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.