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Finding the Fourth Proportional to 5,719.84, 8,578.80 and 2,598.88

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Solution

The fourth proportional to 5,719.84, 8,578.80 and 2,598.88 is: 3,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.84 : 8,578.80 = 2,598.88 : x
  2. Step 2: Convert to fraction form
    5,719.84/8,578.80 = 2,598.88/x
  3. Step 3: Cross multiply
    5,719.84x = 8,578.80 × 2,598.88
  4. Step 4: Simplify right side
    5,719.84x = 22,295,271.74
  5. Step 5: Solve for x
    x = 22,295,271.74/5,719.84
  6. Step 6: Final answer
    x = 3,897.88

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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.