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Finding the Fourth Proportional to 27,281.96, 40,923.80 and 7,560.68

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Solution

The fourth proportional to 27,281.96, 40,923.80 and 7,560.68 is: 11,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.96 : 40,923.80 = 7,560.68 : x
  2. Step 2: Convert to fraction form
    27,281.96/40,923.80 = 7,560.68/x
  3. Step 3: Cross multiply
    27,281.96x = 40,923.80 × 7,560.68
  4. Step 4: Simplify right side
    27,281.96x = 309,411,756.18
  5. Step 5: Solve for x
    x = 309,411,756.18/27,281.96
  6. Step 6: Final answer
    x = 11,341.26

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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.