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Finding the Fourth Proportional to 58,017.20, 86,914.62 and 39,264.89

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Solution

The fourth proportional to 58,017.20, 86,914.62 and 39,264.89 is: 58,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,017.20 : 86,914.62 = 39,264.89 : x
  2. Step 2: Convert to fraction form
    58,017.20/86,914.62 = 39,264.89/x
  3. Step 3: Cross multiply
    58,017.20x = 86,914.62 × 39,264.89
  4. Step 4: Simplify right side
    58,017.20x = 3,412,692,559.12
  5. Step 5: Solve for x
    x = 3,412,692,559.12/58,017.20
  6. Step 6: Final answer
    x = 58,822.09

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1.5x scale

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.