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Finding the Fourth Proportional to 4,047.55, 6,071.11 and 1,125.88

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Solution

The fourth proportional to 4,047.55, 6,071.11 and 1,125.88 is: 1,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.55 : 6,071.11 = 1,125.88 : x
  2. Step 2: Convert to fraction form
    4,047.55/6,071.11 = 1,125.88/x
  3. Step 3: Cross multiply
    4,047.55x = 6,071.11 × 1,125.88
  4. Step 4: Simplify right side
    4,047.55x = 6,835,341.33
  5. Step 5: Solve for x
    x = 6,835,341.33/4,047.55
  6. Step 6: Final answer
    x = 1,688.76

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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.