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Finding the Fourth Proportional to 7,526.88, 11,240.28 and 7,445.52

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Solution

The fourth proportional to 7,526.88, 11,240.28 and 7,445.52 is: 11,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.88 : 11,240.28 = 7,445.52 : x
  2. Step 2: Convert to fraction form
    7,526.88/11,240.28 = 7,445.52/x
  3. Step 3: Cross multiply
    7,526.88x = 11,240.28 × 7,445.52
  4. Step 4: Simplify right side
    7,526.88x = 83,689,729.55
  5. Step 5: Solve for x
    x = 83,689,729.55/7,526.88
  6. Step 6: Final answer
    x = 11,118.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.