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Finding the Fourth Proportional to 43,497.65, 65,228.01 and 15,424.76

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Solution

The fourth proportional to 43,497.65, 65,228.01 and 15,424.76 is: 23,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,497.65 : 65,228.01 = 15,424.76 : x
  2. Step 2: Convert to fraction form
    43,497.65/65,228.01 = 15,424.76/x
  3. Step 3: Cross multiply
    43,497.65x = 65,228.01 × 15,424.76
  4. Step 4: Simplify right side
    43,497.65x = 1,006,126,073.39
  5. Step 5: Solve for x
    x = 1,006,126,073.39/43,497.65
  6. Step 6: Final answer
    x = 23,130.59

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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.