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Finding the Fourth Proportional to 34,390.20, 48,042.60 and 34,390.20

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Solution

The fourth proportional to 34,390.20, 48,042.60 and 34,390.20 is: 48,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.20 : 48,042.60 = 34,390.20 : x
  2. Step 2: Convert to fraction form
    34,390.20/48,042.60 = 34,390.20/x
  3. Step 3: Cross multiply
    34,390.20x = 48,042.60 × 34,390.20
  4. Step 4: Simplify right side
    34,390.20x = 1,652,194,622.52
  5. Step 5: Solve for x
    x = 1,652,194,622.52/34,390.20
  6. Step 6: Final answer
    x = 48,042.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.