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Finding the Fourth Proportional to 45,065.61, 67,532.67 and 25,349.67

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Solution

The fourth proportional to 45,065.61, 67,532.67 and 25,349.67 is: 37,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,065.61 : 67,532.67 = 25,349.67 : x
  2. Step 2: Convert to fraction form
    45,065.61/67,532.67 = 25,349.67/x
  3. Step 3: Cross multiply
    45,065.61x = 67,532.67 × 25,349.67
  4. Step 4: Simplify right side
    45,065.61x = 1,711,930,898.72
  5. Step 5: Solve for x
    x = 1,711,930,898.72/45,065.61
  6. Step 6: Final answer
    x = 37,987.52

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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.