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Finding the Fourth Proportional to 5,376.98, 8,062.14 and 1,866.16

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Solution

The fourth proportional to 5,376.98, 8,062.14 and 1,866.16 is: 2,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.98 : 8,062.14 = 1,866.16 : x
  2. Step 2: Convert to fraction form
    5,376.98/8,062.14 = 1,866.16/x
  3. Step 3: Cross multiply
    5,376.98x = 8,062.14 × 1,866.16
  4. Step 4: Simplify right side
    5,376.98x = 15,045,243.18
  5. Step 5: Solve for x
    x = 15,045,243.18/5,376.98
  6. Step 6: Final answer
    x = 2,798.08

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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.