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Finding the Fourth Proportional to 34,068.80, 47,023.20 and 22,738.88

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Solution

The fourth proportional to 34,068.80, 47,023.20 and 22,738.88 is: 31,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,068.80 : 47,023.20 = 22,738.88 : x
  2. Step 2: Convert to fraction form
    34,068.80/47,023.20 = 22,738.88/x
  3. Step 3: Cross multiply
    34,068.80x = 47,023.20 × 22,738.88
  4. Step 4: Simplify right side
    34,068.80x = 1,069,254,902.02
  5. Step 5: Solve for x
    x = 1,069,254,902.02/34,068.80
  6. Step 6: Final answer
    x = 31,385.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.