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Finding the Fourth Proportional to 61,058.94, 91,432.89 and 40,219.26

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Solution

The fourth proportional to 61,058.94, 91,432.89 and 40,219.26 is: 60,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,058.94 : 91,432.89 = 40,219.26 : x
  2. Step 2: Convert to fraction form
    61,058.94/91,432.89 = 40,219.26/x
  3. Step 3: Cross multiply
    61,058.94x = 91,432.89 × 40,219.26
  4. Step 4: Simplify right side
    61,058.94x = 3,677,363,175.46
  5. Step 5: Solve for x
    x = 3,677,363,175.46/61,058.94
  6. Step 6: Final answer
    x = 60,226.45

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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.