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Finding the Fourth Proportional to 58,866.48, 88,355.22 and 21,462.72

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Solution

The fourth proportional to 58,866.48, 88,355.22 and 21,462.72 is: 32,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,866.48 : 88,355.22 = 21,462.72 : x
  2. Step 2: Convert to fraction form
    58,866.48/88,355.22 = 21,462.72/x
  3. Step 3: Cross multiply
    58,866.48x = 88,355.22 × 21,462.72
  4. Step 4: Simplify right side
    58,866.48x = 1,896,343,347.40
  5. Step 5: Solve for x
    x = 1,896,343,347.40/58,866.48
  6. Step 6: Final answer
    x = 32,214.32

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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.