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Finding the Fourth Proportional to 1,048.76, 1,574.48 and 895.68

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Solution

The fourth proportional to 1,048.76, 1,574.48 and 895.68 is: 1,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.76 : 1,574.48 = 895.68 : x
  2. Step 2: Convert to fraction form
    1,048.76/1,574.48 = 895.68/x
  3. Step 3: Cross multiply
    1,048.76x = 1,574.48 × 895.68
  4. Step 4: Simplify right side
    1,048.76x = 1,410,230.25
  5. Step 5: Solve for x
    x = 1,410,230.25/1,048.76
  6. Step 6: Final answer
    x = 1,344.66

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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.