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Finding the Fourth Proportional to 4,703.16, 7,054.74 and 1,240.92

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Solution

The fourth proportional to 4,703.16, 7,054.74 and 1,240.92 is: 1,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.16 : 7,054.74 = 1,240.92 : x
  2. Step 2: Convert to fraction form
    4,703.16/7,054.74 = 1,240.92/x
  3. Step 3: Cross multiply
    4,703.16x = 7,054.74 × 1,240.92
  4. Step 4: Simplify right side
    4,703.16x = 8,754,367.96
  5. Step 5: Solve for x
    x = 8,754,367.96/4,703.16
  6. Step 6: Final answer
    x = 1,861.38

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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.