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Finding the Fourth Proportional to 58,041.67, 87,062.49 and 38,315.60

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Solution

The fourth proportional to 58,041.67, 87,062.49 and 38,315.60 is: 57,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,041.67 : 87,062.49 = 38,315.60 : x
  2. Step 2: Convert to fraction form
    58,041.67/87,062.49 = 38,315.60/x
  3. Step 3: Cross multiply
    58,041.67x = 87,062.49 × 38,315.60
  4. Step 4: Simplify right side
    58,041.67x = 3,335,851,541.84
  5. Step 5: Solve for x
    x = 3,335,851,541.84/58,041.67
  6. Step 6: Final answer
    x = 57,473.39

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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.