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Finding the Fourth Proportional to 58,352.13, 86,973.08 and 55,030.32

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Solution

The fourth proportional to 58,352.13, 86,973.08 and 55,030.32 is: 82,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,352.13 : 86,973.08 = 55,030.32 : x
  2. Step 2: Convert to fraction form
    58,352.13/86,973.08 = 55,030.32/x
  3. Step 3: Cross multiply
    58,352.13x = 86,973.08 × 55,030.32
  4. Step 4: Simplify right side
    58,352.13x = 4,786,156,148.63
  5. Step 5: Solve for x
    x = 4,786,156,148.63/58,352.13
  6. Step 6: Final answer
    x = 82,021.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.