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Finding the Fourth Proportional to 58,345.79, 87,297.80 and 34,666.02

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Solution

The fourth proportional to 58,345.79, 87,297.80 and 34,666.02 is: 51,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,345.79 : 87,297.80 = 34,666.02 : x
  2. Step 2: Convert to fraction form
    58,345.79/87,297.80 = 34,666.02/x
  3. Step 3: Cross multiply
    58,345.79x = 87,297.80 × 34,666.02
  4. Step 4: Simplify right side
    58,345.79x = 3,026,267,107.43
  5. Step 5: Solve for x
    x = 3,026,267,107.43/58,345.79
  6. Step 6: Final answer
    x = 51,867.79

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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.