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Finding the Fourth Proportional to 40,473.76, 60,710.36 and 10,889.12

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Solution

The fourth proportional to 40,473.76, 60,710.36 and 10,889.12 is: 16,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,473.76 : 60,710.36 = 10,889.12 : x
  2. Step 2: Convert to fraction form
    40,473.76/60,710.36 = 10,889.12/x
  3. Step 3: Cross multiply
    40,473.76x = 60,710.36 × 10,889.12
  4. Step 4: Simplify right side
    40,473.76x = 661,082,395.28
  5. Step 5: Solve for x
    x = 661,082,395.28/40,473.76
  6. Step 6: Final answer
    x = 16,333.60

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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.