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Finding the Fourth Proportional to 60,399.90, 90,420.65 and 44,886.30

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Solution

The fourth proportional to 60,399.90, 90,420.65 and 44,886.30 is: 67,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,399.90 : 90,420.65 = 44,886.30 : x
  2. Step 2: Convert to fraction form
    60,399.90/90,420.65 = 44,886.30/x
  3. Step 3: Cross multiply
    60,399.90x = 90,420.65 × 44,886.30
  4. Step 4: Simplify right side
    60,399.90x = 4,058,648,422.10
  5. Step 5: Solve for x
    x = 4,058,648,422.10/60,399.90
  6. Step 6: Final answer
    x = 67,196.28

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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.