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Finding the Fourth Proportional to 61,885.23, 85,401.03 and 33,590.88

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Solution

The fourth proportional to 61,885.23, 85,401.03 and 33,590.88 is: 46,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,885.23 : 85,401.03 = 33,590.88 : x
  2. Step 2: Convert to fraction form
    61,885.23/85,401.03 = 33,590.88/x
  3. Step 3: Cross multiply
    61,885.23x = 85,401.03 × 33,590.88
  4. Step 4: Simplify right side
    61,885.23x = 2,868,695,750.61
  5. Step 5: Solve for x
    x = 2,868,695,750.61/61,885.23
  6. Step 6: Final answer
    x = 46,355.10

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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.