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Finding the Fourth Proportional to 1,050.52, 1,576.13 and 530.26

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Solution

The fourth proportional to 1,050.52, 1,576.13 and 530.26 is: 795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.52 : 1,576.13 = 530.26 : x
  2. Step 2: Convert to fraction form
    1,050.52/1,576.13 = 530.26/x
  3. Step 3: Cross multiply
    1,050.52x = 1,576.13 × 530.26
  4. Step 4: Simplify right side
    1,050.52x = 835,758.69
  5. Step 5: Solve for x
    x = 835,758.69/1,050.52
  6. Step 6: Final answer
    x = 795.57

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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.