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Finding the Fourth Proportional to 3,007.13, 4,510.69 and 955.13

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Solution

The fourth proportional to 3,007.13, 4,510.69 and 955.13 is: 1,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.13 : 4,510.69 = 955.13 : x
  2. Step 2: Convert to fraction form
    3,007.13/4,510.69 = 955.13/x
  3. Step 3: Cross multiply
    3,007.13x = 4,510.69 × 955.13
  4. Step 4: Simplify right side
    3,007.13x = 4,308,270.40
  5. Step 5: Solve for x
    x = 4,308,270.40/3,007.13
  6. Step 6: Final answer
    x = 1,432.69

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Similar ratio
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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.