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Finding the Fourth Proportional to 40,698.90, 60,929.55 and 29,034.90

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Solution

The fourth proportional to 40,698.90, 60,929.55 and 29,034.90 is: 43,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,698.90 : 60,929.55 = 29,034.90 : x
  2. Step 2: Convert to fraction form
    40,698.90/60,929.55 = 29,034.90/x
  3. Step 3: Cross multiply
    40,698.90x = 60,929.55 × 29,034.90
  4. Step 4: Simplify right side
    40,698.90x = 1,769,083,391.30
  5. Step 5: Solve for x
    x = 1,769,083,391.30/40,698.90
  6. Step 6: Final answer
    x = 43,467.60

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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.