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Finding the Fourth Proportional to 29,301.59, 40,438.07 and 17,362.40

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Solution

The fourth proportional to 29,301.59, 40,438.07 and 17,362.40 is: 23,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,301.59 : 40,438.07 = 17,362.40 : x
  2. Step 2: Convert to fraction form
    29,301.59/40,438.07 = 17,362.40/x
  3. Step 3: Cross multiply
    29,301.59x = 40,438.07 × 17,362.40
  4. Step 4: Simplify right side
    29,301.59x = 702,101,657.57
  5. Step 5: Solve for x
    x = 702,101,657.57/29,301.59
  6. Step 6: Final answer
    x = 23,961.22

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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.