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Finding the Fourth Proportional to 70,034.72, 105,029.28 and 23,275.04

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Solution

The fourth proportional to 70,034.72, 105,029.28 and 23,275.04 is: 34,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,034.72 : 105,029.28 = 23,275.04 : x
  2. Step 2: Convert to fraction form
    70,034.72/105,029.28 = 23,275.04/x
  3. Step 3: Cross multiply
    70,034.72x = 105,029.28 × 23,275.04
  4. Step 4: Simplify right side
    70,034.72x = 2,444,560,693.17
  5. Step 5: Solve for x
    x = 2,444,560,693.17/70,034.72
  6. Step 6: Final answer
    x = 34,904.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.