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Finding the Fourth Proportional to 61,580.39, 84,987.03 and 37,379.44

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Solution

The fourth proportional to 61,580.39, 84,987.03 and 37,379.44 is: 51,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,580.39 : 84,987.03 = 37,379.44 : x
  2. Step 2: Convert to fraction form
    61,580.39/84,987.03 = 37,379.44/x
  3. Step 3: Cross multiply
    61,580.39x = 84,987.03 × 37,379.44
  4. Step 4: Simplify right side
    61,580.39x = 3,176,767,401.77
  5. Step 5: Solve for x
    x = 3,176,767,401.77/61,580.39
  6. Step 6: Final answer
    x = 51,587.32

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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.