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Finding the Fourth Proportional to 60,779.80, 91,104.90 and 23,325.40

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Solution

The fourth proportional to 60,779.80, 91,104.90 and 23,325.40 is: 34,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,779.80 : 91,104.90 = 23,325.40 : x
  2. Step 2: Convert to fraction form
    60,779.80/91,104.90 = 23,325.40/x
  3. Step 3: Cross multiply
    60,779.80x = 91,104.90 × 23,325.40
  4. Step 4: Simplify right side
    60,779.80x = 2,125,058,234.46
  5. Step 5: Solve for x
    x = 2,125,058,234.46/60,779.80
  6. Step 6: Final answer
    x = 34,963.23

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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.