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Finding the Fourth Proportional to 60,952.95, 91,395 and 28,459.80

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Solution

The fourth proportional to 60,952.95, 91,395 and 28,459.80 is: 42,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,952.95 : 91,395 = 28,459.80 : x
  2. Step 2: Convert to fraction form
    60,952.95/91,395 = 28,459.80/x
  3. Step 3: Cross multiply
    60,952.95x = 91,395 × 28,459.80
  4. Step 4: Simplify right side
    60,952.95x = 2,601,083,421
  5. Step 5: Solve for x
    x = 2,601,083,421/60,952.95
  6. Step 6: Final answer
    x = 42,673.63

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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.