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Finding the Fourth Proportional to 58,873.35, 81,459.17 and 51,335.40

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Solution

The fourth proportional to 58,873.35, 81,459.17 and 51,335.40 is: 71,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,873.35 : 81,459.17 = 51,335.40 : x
  2. Step 2: Convert to fraction form
    58,873.35/81,459.17 = 51,335.40/x
  3. Step 3: Cross multiply
    58,873.35x = 81,459.17 × 51,335.40
  4. Step 4: Simplify right side
    58,873.35x = 4,181,739,075.62
  5. Step 5: Solve for x
    x = 4,181,739,075.62/58,873.35
  6. Step 6: Final answer
    x = 71,029.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.