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Finding the Fourth Proportional to 58,038.93, 87,054.75 and 34,647.75

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Solution

The fourth proportional to 58,038.93, 87,054.75 and 34,647.75 is: 51,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,038.93 : 87,054.75 = 34,647.75 : x
  2. Step 2: Convert to fraction form
    58,038.93/87,054.75 = 34,647.75/x
  3. Step 3: Cross multiply
    58,038.93x = 87,054.75 × 34,647.75
  4. Step 4: Simplify right side
    58,038.93x = 3,016,251,214.31
  5. Step 5: Solve for x
    x = 3,016,251,214.31/58,038.93
  6. Step 6: Final answer
    x = 51,969.45

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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.