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Finding the Fourth Proportional to 29,029.01, 40,019.54 and 19,470.60

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Solution

The fourth proportional to 29,029.01, 40,019.54 and 19,470.60 is: 26,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,029.01 : 40,019.54 = 19,470.60 : x
  2. Step 2: Convert to fraction form
    29,029.01/40,019.54 = 19,470.60/x
  3. Step 3: Cross multiply
    29,029.01x = 40,019.54 × 19,470.60
  4. Step 4: Simplify right side
    29,029.01x = 779,204,358.17
  5. Step 5: Solve for x
    x = 779,204,358.17/29,029.01
  6. Step 6: Final answer
    x = 26,842.27

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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.