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Finding the Fourth Proportional to 34,480.93, 47,575.29 and 21,047.29

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Solution

The fourth proportional to 34,480.93, 47,575.29 and 21,047.29 is: 29,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,480.93 : 47,575.29 = 21,047.29 : x
  2. Step 2: Convert to fraction form
    34,480.93/47,575.29 = 21,047.29/x
  3. Step 3: Cross multiply
    34,480.93x = 47,575.29 × 21,047.29
  4. Step 4: Simplify right side
    34,480.93x = 1,001,330,925.46
  5. Step 5: Solve for x
    x = 1,001,330,925.46/34,480.93
  6. Step 6: Final answer
    x = 29,040.14

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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.