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Finding the Fourth Proportional to 61,555.98, 84,975.60 and 36,058.80

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Solution

The fourth proportional to 61,555.98, 84,975.60 and 36,058.80 is: 49,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,555.98 : 84,975.60 = 36,058.80 : x
  2. Step 2: Convert to fraction form
    61,555.98/84,975.60 = 36,058.80/x
  3. Step 3: Cross multiply
    61,555.98x = 84,975.60 × 36,058.80
  4. Step 4: Simplify right side
    61,555.98x = 3,064,118,165.28
  5. Step 5: Solve for x
    x = 3,064,118,165.28/61,555.98
  6. Step 6: Final answer
    x = 49,777.75

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1.5x scale

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.