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Finding the Fourth Proportional to 1,570.53, 2,354.13 and 529.59

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Solution

The fourth proportional to 1,570.53, 2,354.13 and 529.59 is: 793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.53 : 2,354.13 = 529.59 : x
  2. Step 2: Convert to fraction form
    1,570.53/2,354.13 = 529.59/x
  3. Step 3: Cross multiply
    1,570.53x = 2,354.13 × 529.59
  4. Step 4: Simplify right side
    1,570.53x = 1,246,723.71
  5. Step 5: Solve for x
    x = 1,246,723.71/1,570.53
  6. Step 6: Final answer
    x = 793.82

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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.