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Finding the Fourth Proportional to 34,166.80, 47,080.20 and 25,200.10

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Solution

The fourth proportional to 34,166.80, 47,080.20 and 25,200.10 is: 34,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,166.80 : 47,080.20 = 25,200.10 : x
  2. Step 2: Convert to fraction form
    34,166.80/47,080.20 = 25,200.10/x
  3. Step 3: Cross multiply
    34,166.80x = 47,080.20 × 25,200.10
  4. Step 4: Simplify right side
    34,166.80x = 1,186,425,748.02
  5. Step 5: Solve for x
    x = 1,186,425,748.02/34,166.80
  6. Step 6: Final answer
    x = 34,724.52

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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.