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Finding the Fourth Proportional to 23,114.90, 34,672.35 and 21,656.90

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Solution

The fourth proportional to 23,114.90, 34,672.35 and 21,656.90 is: 32,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,114.90 : 34,672.35 = 21,656.90 : x
  2. Step 2: Convert to fraction form
    23,114.90/34,672.35 = 21,656.90/x
  3. Step 3: Cross multiply
    23,114.90x = 34,672.35 × 21,656.90
  4. Step 4: Simplify right side
    23,114.90x = 750,895,616.72
  5. Step 5: Solve for x
    x = 750,895,616.72/23,114.90
  6. Step 6: Final answer
    x = 32,485.35

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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.