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Finding the Fourth Proportional to 8,772.98, 12,119.52 and 7,592.00

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Solution

The fourth proportional to 8,772.98, 12,119.52 and 7,592.00 is: 10,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.98 : 12,119.52 = 7,592.00 : x
  2. Step 2: Convert to fraction form
    8,772.98/12,119.52 = 7,592.00/x
  3. Step 3: Cross multiply
    8,772.98x = 12,119.52 × 7,592.00
  4. Step 4: Simplify right side
    8,772.98x = 92,011,465.97
  5. Step 5: Solve for x
    x = 92,011,465.97/8,772.98
  6. Step 6: Final answer
    x = 10,488.05

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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.