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Finding the Fourth Proportional to 1,062.96, 1,595.38 and 569.76

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Solution

The fourth proportional to 1,062.96, 1,595.38 and 569.76 is: 855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.96 : 1,595.38 = 569.76 : x
  2. Step 2: Convert to fraction form
    1,062.96/1,595.38 = 569.76/x
  3. Step 3: Cross multiply
    1,062.96x = 1,595.38 × 569.76
  4. Step 4: Simplify right side
    1,062.96x = 908,983.71
  5. Step 5: Solve for x
    x = 908,983.71/1,062.96
  6. Step 6: Final answer
    x = 855.14

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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.