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Finding the Fourth Proportional to 1,341.52, 2,013.06 and 572

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Solution

The fourth proportional to 1,341.52, 2,013.06 and 572 is: 858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.52 : 2,013.06 = 572 : x
  2. Step 2: Convert to fraction form
    1,341.52/2,013.06 = 572/x
  3. Step 3: Cross multiply
    1,341.52x = 2,013.06 × 572
  4. Step 4: Simplify right side
    1,341.52x = 1,151,470.32
  5. Step 5: Solve for x
    x = 1,151,470.32/1,341.52
  6. Step 6: Final answer
    x = 858.33

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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.