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Finding the Fourth Proportional to 8,962.93, 13,425.90 and 5,253.90

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Solution

The fourth proportional to 8,962.93, 13,425.90 and 5,253.90 is: 7,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.93 : 13,425.90 = 5,253.90 : x
  2. Step 2: Convert to fraction form
    8,962.93/13,425.90 = 5,253.90/x
  3. Step 3: Cross multiply
    8,962.93x = 13,425.90 × 5,253.90
  4. Step 4: Simplify right side
    8,962.93x = 70,538,336.01
  5. Step 5: Solve for x
    x = 70,538,336.01/8,962.93
  6. Step 6: Final answer
    x = 7,870.01

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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.