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Finding the Fourth Proportional to 48,382.71, 72,582.57 and 22,090.11

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Solution

The fourth proportional to 48,382.71, 72,582.57 and 22,090.11 is: 33,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,382.71 : 72,582.57 = 22,090.11 : x
  2. Step 2: Convert to fraction form
    48,382.71/72,582.57 = 22,090.11/x
  3. Step 3: Cross multiply
    48,382.71x = 72,582.57 × 22,090.11
  4. Step 4: Simplify right side
    48,382.71x = 1,603,356,955.38
  5. Step 5: Solve for x
    x = 1,603,356,955.38/48,382.71
  6. Step 6: Final answer
    x = 33,139.05

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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.