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Finding the Fourth Proportional to 45,275.69, 67,913.54 and 15,693.54

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Solution

The fourth proportional to 45,275.69, 67,913.54 and 15,693.54 is: 23,540.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,275.69 : 67,913.54 = 15,693.54 : x
  2. Step 2: Convert to fraction form
    45,275.69/67,913.54 = 15,693.54/x
  3. Step 3: Cross multiply
    45,275.69x = 67,913.54 × 15,693.54
  4. Step 4: Simplify right side
    45,275.69x = 1,065,803,778.06
  5. Step 5: Solve for x
    x = 1,065,803,778.06/45,275.69
  6. Step 6: Final answer
    x = 23,540.31

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1.5x scale

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.