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Finding the Fourth Proportional to 5,579.16, 8,368.74 and 2,499

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Solution

The fourth proportional to 5,579.16, 8,368.74 and 2,499 is: 3,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.16 : 8,368.74 = 2,499 : x
  2. Step 2: Convert to fraction form
    5,579.16/8,368.74 = 2,499/x
  3. Step 3: Cross multiply
    5,579.16x = 8,368.74 × 2,499
  4. Step 4: Simplify right side
    5,579.16x = 20,913,481.26
  5. Step 5: Solve for x
    x = 20,913,481.26/5,579.16
  6. Step 6: Final answer
    x = 3,748.50

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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.