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Finding the Fourth Proportional to 42,438, 58,564.48 and 23,576.88

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Solution

The fourth proportional to 42,438, 58,564.48 and 23,576.88 is: 32,536.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,438 : 58,564.48 = 23,576.88 : x
  2. Step 2: Convert to fraction form
    42,438/58,564.48 = 23,576.88/x
  3. Step 3: Cross multiply
    42,438x = 58,564.48 × 23,576.88
  4. Step 4: Simplify right side
    42,438x = 1,380,767,717.22
  5. Step 5: Solve for x
    x = 1,380,767,717.22/42,438
  6. Step 6: Final answer
    x = 32,536.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.