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Finding the Fourth Proportional to 1,031.95, 1,547.24 and 569.95

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Solution

The fourth proportional to 1,031.95, 1,547.24 and 569.95 is: 854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.95 : 1,547.24 = 569.95 : x
  2. Step 2: Convert to fraction form
    1,031.95/1,547.24 = 569.95/x
  3. Step 3: Cross multiply
    1,031.95x = 1,547.24 × 569.95
  4. Step 4: Simplify right side
    1,031.95x = 881,849.44
  5. Step 5: Solve for x
    x = 881,849.44/1,031.95
  6. Step 6: Final answer
    x = 854.55

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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.