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Finding the Fourth Proportional to 2,923.02, 4,382.91 and 974.16

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Solution

The fourth proportional to 2,923.02, 4,382.91 and 974.16 is: 1,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.02 : 4,382.91 = 974.16 : x
  2. Step 2: Convert to fraction form
    2,923.02/4,382.91 = 974.16/x
  3. Step 3: Cross multiply
    2,923.02x = 4,382.91 × 974.16
  4. Step 4: Simplify right side
    2,923.02x = 4,269,655.61
  5. Step 5: Solve for x
    x = 4,269,655.61/2,923.02
  6. Step 6: Final answer
    x = 1,460.70

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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.