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Finding the Fourth Proportional to 3,061.69, 4,592.54 and 753.19

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Solution

The fourth proportional to 3,061.69, 4,592.54 and 753.19 is: 1,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.69 : 4,592.54 = 753.19 : x
  2. Step 2: Convert to fraction form
    3,061.69/4,592.54 = 753.19/x
  3. Step 3: Cross multiply
    3,061.69x = 4,592.54 × 753.19
  4. Step 4: Simplify right side
    3,061.69x = 3,459,045.60
  5. Step 5: Solve for x
    x = 3,459,045.60/3,061.69
  6. Step 6: Final answer
    x = 1,129.78

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1.5x scale

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.