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Finding the Fourth Proportional to 29,454.69, 40,609.81 and 19,088.11

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Solution

The fourth proportional to 29,454.69, 40,609.81 and 19,088.11 is: 26,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,454.69 : 40,609.81 = 19,088.11 : x
  2. Step 2: Convert to fraction form
    29,454.69/40,609.81 = 19,088.11/x
  3. Step 3: Cross multiply
    29,454.69x = 40,609.81 × 19,088.11
  4. Step 4: Simplify right side
    29,454.69x = 775,164,371.11
  5. Step 5: Solve for x
    x = 775,164,371.11/29,454.69
  6. Step 6: Final answer
    x = 26,317.18

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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.