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Finding the Fourth Proportional to 61,334.90, 91,937.55 and 34,982.90

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Solution

The fourth proportional to 61,334.90, 91,937.55 and 34,982.90 is: 52,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,334.90 : 91,937.55 = 34,982.90 : x
  2. Step 2: Convert to fraction form
    61,334.90/91,937.55 = 34,982.90/x
  3. Step 3: Cross multiply
    61,334.90x = 91,937.55 × 34,982.90
  4. Step 4: Simplify right side
    61,334.90x = 3,216,242,117.90
  5. Step 5: Solve for x
    x = 3,216,242,117.90/61,334.90
  6. Step 6: Final answer
    x = 52,437.39

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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.