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Finding the Fourth Proportional to 9,900.59, 13,663.60 and 5,652.95

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Solution

The fourth proportional to 9,900.59, 13,663.60 and 5,652.95 is: 7,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900.59 : 13,663.60 = 5,652.95 : x
  2. Step 2: Convert to fraction form
    9,900.59/13,663.60 = 5,652.95/x
  3. Step 3: Cross multiply
    9,900.59x = 13,663.60 × 5,652.95
  4. Step 4: Simplify right side
    9,900.59x = 77,239,565.17
  5. Step 5: Solve for x
    x = 77,239,565.17/9,900.59
  6. Step 6: Final answer
    x = 7,801.52

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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.