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Finding the Fourth Proportional to 8,925.70, 12,305.36 and 7,526.02

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Solution

The fourth proportional to 8,925.70, 12,305.36 and 7,526.02 is: 10,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.70 : 12,305.36 = 7,526.02 : x
  2. Step 2: Convert to fraction form
    8,925.70/12,305.36 = 7,526.02/x
  3. Step 3: Cross multiply
    8,925.70x = 12,305.36 × 7,526.02
  4. Step 4: Simplify right side
    8,925.70x = 92,610,385.47
  5. Step 5: Solve for x
    x = 92,610,385.47/8,925.70
  6. Step 6: Final answer
    x = 10,375.70

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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.