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Finding the Fourth Proportional to 70,630.25, 105,955.20 and 37,352.65

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Solution

The fourth proportional to 70,630.25, 105,955.20 and 37,352.65 is: 56,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,630.25 : 105,955.20 = 37,352.65 : x
  2. Step 2: Convert to fraction form
    70,630.25/105,955.20 = 37,352.65/x
  3. Step 3: Cross multiply
    70,630.25x = 105,955.20 × 37,352.65
  4. Step 4: Simplify right side
    70,630.25x = 3,957,707,325.71
  5. Step 5: Solve for x
    x = 3,957,707,325.71/70,630.25
  6. Step 6: Final answer
    x = 56,034.17

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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.