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Finding the Fourth Proportional to 58,437.74, 87,672.44 and 49,055.42

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Solution

The fourth proportional to 58,437.74, 87,672.44 and 49,055.42 is: 73,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,437.74 : 87,672.44 = 49,055.42 : x
  2. Step 2: Convert to fraction form
    58,437.74/87,672.44 = 49,055.42/x
  3. Step 3: Cross multiply
    58,437.74x = 87,672.44 × 49,055.42
  4. Step 4: Simplify right side
    58,437.74x = 4,300,808,050.90
  5. Step 5: Solve for x
    x = 4,300,808,050.90/58,437.74
  6. Step 6: Final answer
    x = 73,596.42

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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.