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Finding the Fourth Proportional to 77,266.86, 115,882.74 and 27,346.93

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Solution

The fourth proportional to 77,266.86, 115,882.74 and 27,346.93 is: 41,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,266.86 : 115,882.74 = 27,346.93 : x
  2. Step 2: Convert to fraction form
    77,266.86/115,882.74 = 27,346.93/x
  3. Step 3: Cross multiply
    77,266.86x = 115,882.74 × 27,346.93
  4. Step 4: Simplify right side
    77,266.86x = 3,169,037,210.63
  5. Step 5: Solve for x
    x = 3,169,037,210.63/77,266.86
  6. Step 6: Final answer
    x = 41,014.19

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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.