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Finding the Fourth Proportional to 2,895.64, 4,342.97 and 1,047.62

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Solution

The fourth proportional to 2,895.64, 4,342.97 and 1,047.62 is: 1,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.64 : 4,342.97 = 1,047.62 : x
  2. Step 2: Convert to fraction form
    2,895.64/4,342.97 = 1,047.62/x
  3. Step 3: Cross multiply
    2,895.64x = 4,342.97 × 1,047.62
  4. Step 4: Simplify right side
    2,895.64x = 4,549,795.71
  5. Step 5: Solve for x
    x = 4,549,795.71/2,895.64
  6. Step 6: Final answer
    x = 1,571.26

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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.