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Finding the Fourth Proportional to 61,751.77, 85,219.19 and 34,892.67

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Solution

The fourth proportional to 61,751.77, 85,219.19 and 34,892.67 is: 48,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,751.77 : 85,219.19 = 34,892.67 : x
  2. Step 2: Convert to fraction form
    61,751.77/85,219.19 = 34,892.67/x
  3. Step 3: Cross multiply
    61,751.77x = 85,219.19 × 34,892.67
  4. Step 4: Simplify right side
    61,751.77x = 2,973,525,350.29
  5. Step 5: Solve for x
    x = 2,973,525,350.29/61,751.77
  6. Step 6: Final answer
    x = 48,152.88

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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.