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Finding the Fourth Proportional to 2,885.70, 4,328.64 and 1,497.18

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Solution

The fourth proportional to 2,885.70, 4,328.64 and 1,497.18 is: 2,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.70 : 4,328.64 = 1,497.18 : x
  2. Step 2: Convert to fraction form
    2,885.70/4,328.64 = 1,497.18/x
  3. Step 3: Cross multiply
    2,885.70x = 4,328.64 × 1,497.18
  4. Step 4: Simplify right side
    2,885.70x = 6,480,753.24
  5. Step 5: Solve for x
    x = 6,480,753.24/2,885.70
  6. Step 6: Final answer
    x = 2,245.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.