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Finding the Fourth Proportional to 1,053.24, 1,453.50 and 581.16

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Solution

The fourth proportional to 1,053.24, 1,453.50 and 581.16 is: 802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.24 : 1,453.50 = 581.16 : x
  2. Step 2: Convert to fraction form
    1,053.24/1,453.50 = 581.16/x
  3. Step 3: Cross multiply
    1,053.24x = 1,453.50 × 581.16
  4. Step 4: Simplify right side
    1,053.24x = 844,713.15
  5. Step 5: Solve for x
    x = 844,713.15/1,053.24
  6. Step 6: Final answer
    x = 802.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.