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Finding the Fourth Proportional to 2,373.50, 3,560.94 and 986.58

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Solution

The fourth proportional to 2,373.50, 3,560.94 and 986.58 is: 1,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.50 : 3,560.94 = 986.58 : x
  2. Step 2: Convert to fraction form
    2,373.50/3,560.94 = 986.58/x
  3. Step 3: Cross multiply
    2,373.50x = 3,560.94 × 986.58
  4. Step 4: Simplify right side
    2,373.50x = 3,513,152.19
  5. Step 5: Solve for x
    x = 3,513,152.19/2,373.50
  6. Step 6: Final answer
    x = 1,480.16

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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.