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Finding the Fourth Proportional to 10,356.60, 15,538.08 and 6,201.30

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Solution

The fourth proportional to 10,356.60, 15,538.08 and 6,201.30 is: 9,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.60 : 15,538.08 = 6,201.30 : x
  2. Step 2: Convert to fraction form
    10,356.60/15,538.08 = 6,201.30/x
  3. Step 3: Cross multiply
    10,356.60x = 15,538.08 × 6,201.30
  4. Step 4: Simplify right side
    10,356.60x = 96,356,295.50
  5. Step 5: Solve for x
    x = 96,356,295.50/10,356.60
  6. Step 6: Final answer
    x = 9,303.85

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1.5x scale

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.