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Finding the Fourth Proportional to 1,031.63, 1,547.46 and 569.34

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Solution

The fourth proportional to 1,031.63, 1,547.46 and 569.34 is: 854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.63 : 1,547.46 = 569.34 : x
  2. Step 2: Convert to fraction form
    1,031.63/1,547.46 = 569.34/x
  3. Step 3: Cross multiply
    1,031.63x = 1,547.46 × 569.34
  4. Step 4: Simplify right side
    1,031.63x = 881,030.88
  5. Step 5: Solve for x
    x = 881,030.88/1,031.63
  6. Step 6: Final answer
    x = 854.02

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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.