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Finding the Fourth Proportional to 9,981.64, 14,983.08 and 7,352.20

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Solution

The fourth proportional to 9,981.64, 14,983.08 and 7,352.20 is: 11,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.64 : 14,983.08 = 7,352.20 : x
  2. Step 2: Convert to fraction form
    9,981.64/14,983.08 = 7,352.20/x
  3. Step 3: Cross multiply
    9,981.64x = 14,983.08 × 7,352.20
  4. Step 4: Simplify right side
    9,981.64x = 110,158,600.78
  5. Step 5: Solve for x
    x = 110,158,600.78/9,981.64
  6. Step 6: Final answer
    x = 11,036.12

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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.