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Finding the Fourth Proportional to 58,466.70, 87,610.83 and 30,395.88

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Solution

The fourth proportional to 58,466.70, 87,610.83 and 30,395.88 is: 45,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,466.70 : 87,610.83 = 30,395.88 : x
  2. Step 2: Convert to fraction form
    58,466.70/87,610.83 = 30,395.88/x
  3. Step 3: Cross multiply
    58,466.70x = 87,610.83 × 30,395.88
  4. Step 4: Simplify right side
    58,466.70x = 2,663,008,275.38
  5. Step 5: Solve for x
    x = 2,663,008,275.38/58,466.70
  6. Step 6: Final answer
    x = 45,547.44

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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.