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Finding the Fourth Proportional to 29,641.40, 40,908.66 and 17,068.60

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Solution

The fourth proportional to 29,641.40, 40,908.66 and 17,068.60 is: 23,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,641.40 : 40,908.66 = 17,068.60 : x
  2. Step 2: Convert to fraction form
    29,641.40/40,908.66 = 17,068.60/x
  3. Step 3: Cross multiply
    29,641.40x = 40,908.66 × 17,068.60
  4. Step 4: Simplify right side
    29,641.40x = 698,253,554.08
  5. Step 5: Solve for x
    x = 698,253,554.08/29,641.40
  6. Step 6: Final answer
    x = 23,556.70

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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.