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Finding the Fourth Proportional to 10,855.76, 16,275.75 and 7,337.04

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Solution

The fourth proportional to 10,855.76, 16,275.75 and 7,337.04 is: 11,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.76 : 16,275.75 = 7,337.04 : x
  2. Step 2: Convert to fraction form
    10,855.76/16,275.75 = 7,337.04/x
  3. Step 3: Cross multiply
    10,855.76x = 16,275.75 × 7,337.04
  4. Step 4: Simplify right side
    10,855.76x = 119,415,828.78
  5. Step 5: Solve for x
    x = 119,415,828.78/10,855.76
  6. Step 6: Final answer
    x = 11,000.23

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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.