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Finding the Fourth Proportional to 40,303.92, 60,455.70 and 15,338.10

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Solution

The fourth proportional to 40,303.92, 60,455.70 and 15,338.10 is: 23,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,303.92 : 60,455.70 = 15,338.10 : x
  2. Step 2: Convert to fraction form
    40,303.92/60,455.70 = 15,338.10/x
  3. Step 3: Cross multiply
    40,303.92x = 60,455.70 × 15,338.10
  4. Step 4: Simplify right side
    40,303.92x = 927,275,572.17
  5. Step 5: Solve for x
    x = 927,275,572.17/40,303.92
  6. Step 6: Final answer
    x = 23,007.08

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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.