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Finding the Fourth Proportional to 70,248.28, 105,350.50 and 23,490.24

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Solution

The fourth proportional to 70,248.28, 105,350.50 and 23,490.24 is: 35,228.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,248.28 : 105,350.50 = 23,490.24 : x
  2. Step 2: Convert to fraction form
    70,248.28/105,350.50 = 23,490.24/x
  3. Step 3: Cross multiply
    70,248.28x = 105,350.50 × 23,490.24
  4. Step 4: Simplify right side
    70,248.28x = 2,474,708,529.12
  5. Step 5: Solve for x
    x = 2,474,708,529.12/70,248.28
  6. Step 6: Final answer
    x = 35,228.03

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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.