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Finding the Fourth Proportional to 58,405.44, 87,619.11 and 27,240.69

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Solution

The fourth proportional to 58,405.44, 87,619.11 and 27,240.69 is: 40,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,405.44 : 87,619.11 = 27,240.69 : x
  2. Step 2: Convert to fraction form
    58,405.44/87,619.11 = 27,240.69/x
  3. Step 3: Cross multiply
    58,405.44x = 87,619.11 × 27,240.69
  4. Step 4: Simplify right side
    58,405.44x = 2,386,804,877.38
  5. Step 5: Solve for x
    x = 2,386,804,877.38/58,405.44
  6. Step 6: Final answer
    x = 40,866.14

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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.