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Finding the Fourth Proportional to 60,399.40, 90,419.90 and 44,885.80

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Solution

The fourth proportional to 60,399.40, 90,419.90 and 44,885.80 is: 67,195.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,399.40 : 90,419.90 = 44,885.80 : x
  2. Step 2: Convert to fraction form
    60,399.40/90,419.90 = 44,885.80/x
  3. Step 3: Cross multiply
    60,399.40x = 90,419.90 × 44,885.80
  4. Step 4: Simplify right side
    60,399.40x = 4,058,569,547.42
  5. Step 5: Solve for x
    x = 4,058,569,547.42/60,399.40
  6. Step 6: Final answer
    x = 67,195.53

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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.