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Finding the Fourth Proportional to 10,262.62, 14,152.95 and 7,616.62

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Solution

The fourth proportional to 10,262.62, 14,152.95 and 7,616.62 is: 10,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262.62 : 14,152.95 = 7,616.62 : x
  2. Step 2: Convert to fraction form
    10,262.62/14,152.95 = 7,616.62/x
  3. Step 3: Cross multiply
    10,262.62x = 14,152.95 × 7,616.62
  4. Step 4: Simplify right side
    10,262.62x = 107,797,642.03
  5. Step 5: Solve for x
    x = 107,797,642.03/10,262.62
  6. Step 6: Final answer
    x = 10,503.91

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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.