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Finding the Fourth Proportional to 40,457.70, 60,673.42 and 15,496.42

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Solution

The fourth proportional to 40,457.70, 60,673.42 and 15,496.42 is: 23,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,457.70 : 60,673.42 = 15,496.42 : x
  2. Step 2: Convert to fraction form
    40,457.70/60,673.42 = 15,496.42/x
  3. Step 3: Cross multiply
    40,457.70x = 60,673.42 × 15,496.42
  4. Step 4: Simplify right side
    40,457.70x = 940,220,534.53
  5. Step 5: Solve for x
    x = 940,220,534.53/40,457.70
  6. Step 6: Final answer
    x = 23,239.60

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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.