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Finding the Fourth Proportional to 1,016.89, 1,525.63 and 530.28

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Solution

The fourth proportional to 1,016.89, 1,525.63 and 530.28 is: 795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.89 : 1,525.63 = 530.28 : x
  2. Step 2: Convert to fraction form
    1,016.89/1,525.63 = 530.28/x
  3. Step 3: Cross multiply
    1,016.89x = 1,525.63 × 530.28
  4. Step 4: Simplify right side
    1,016.89x = 809,003.45
  5. Step 5: Solve for x
    x = 809,003.45/1,016.89
  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.