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Finding the Fourth Proportional to 61,849.90, 85,347.12 and 34,994.44

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Solution

The fourth proportional to 61,849.90, 85,347.12 and 34,994.44 is: 48,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,849.90 : 85,347.12 = 34,994.44 : x
  2. Step 2: Convert to fraction form
    61,849.90/85,347.12 = 34,994.44/x
  3. Step 3: Cross multiply
    61,849.90x = 85,347.12 × 34,994.44
  4. Step 4: Simplify right side
    61,849.90x = 2,986,674,670.01
  5. Step 5: Solve for x
    x = 2,986,674,670.01/61,849.90
  6. Step 6: Final answer
    x = 48,289.08

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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.