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Finding the Fourth Proportional to 48,343.69, 72,441.37 and 20,248.37

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Solution

The fourth proportional to 48,343.69, 72,441.37 and 20,248.37 is: 30,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,343.69 : 72,441.37 = 20,248.37 : x
  2. Step 2: Convert to fraction form
    48,343.69/72,441.37 = 20,248.37/x
  3. Step 3: Cross multiply
    48,343.69x = 72,441.37 × 20,248.37
  4. Step 4: Simplify right side
    48,343.69x = 1,466,819,663.07
  5. Step 5: Solve for x
    x = 1,466,819,663.07/48,343.69
  6. Step 6: Final answer
    x = 30,341.49

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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.