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Finding the Fourth Proportional to 1,063.17, 1,592.88 and 907.53

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Solution

The fourth proportional to 1,063.17, 1,592.88 and 907.53 is: 1,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.17 : 1,592.88 = 907.53 : x
  2. Step 2: Convert to fraction form
    1,063.17/1,592.88 = 907.53/x
  3. Step 3: Cross multiply
    1,063.17x = 1,592.88 × 907.53
  4. Step 4: Simplify right side
    1,063.17x = 1,445,586.39
  5. Step 5: Solve for x
    x = 1,445,586.39/1,063.17
  6. Step 6: Final answer
    x = 1,359.69

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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.