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Finding the Fourth Proportional to 60,228.95, 90,343.44 and 18,675.95

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Solution

The fourth proportional to 60,228.95, 90,343.44 and 18,675.95 is: 28,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,228.95 : 90,343.44 = 18,675.95 : x
  2. Step 2: Convert to fraction form
    60,228.95/90,343.44 = 18,675.95/x
  3. Step 3: Cross multiply
    60,228.95x = 90,343.44 × 18,675.95
  4. Step 4: Simplify right side
    60,228.95x = 1,687,249,116.55
  5. Step 5: Solve for x
    x = 1,687,249,116.55/60,228.95
  6. Step 6: Final answer
    x = 28,013.92

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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.