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Finding the Fourth Proportional to 4,887.18, 7,319.82 and 4,723.14

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Solution

The fourth proportional to 4,887.18, 7,319.82 and 4,723.14 is: 7,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.18 : 7,319.82 = 4,723.14 : x
  2. Step 2: Convert to fraction form
    4,887.18/7,319.82 = 4,723.14/x
  3. Step 3: Cross multiply
    4,887.18x = 7,319.82 × 4,723.14
  4. Step 4: Simplify right side
    4,887.18x = 34,572,534.63
  5. Step 5: Solve for x
    x = 34,572,534.63/4,887.18
  6. Step 6: Final answer
    x = 7,074.13

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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.