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Finding the Fourth Proportional to 70,457.52, 105,686.46 and 23,743.20

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Solution

The fourth proportional to 70,457.52, 105,686.46 and 23,743.20 is: 35,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,457.52 : 105,686.46 = 23,743.20 : x
  2. Step 2: Convert to fraction form
    70,457.52/105,686.46 = 23,743.20/x
  3. Step 3: Cross multiply
    70,457.52x = 105,686.46 × 23,743.20
  4. Step 4: Simplify right side
    70,457.52x = 2,509,334,757.07
  5. Step 5: Solve for x
    x = 2,509,334,757.07/70,457.52
  6. Step 6: Final answer
    x = 35,614.86

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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.