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Finding the Fourth Proportional to 2,047.84, 3,070.40 and 951.60

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Solution

The fourth proportional to 2,047.84, 3,070.40 and 951.60 is: 1,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.84 : 3,070.40 = 951.60 : x
  2. Step 2: Convert to fraction form
    2,047.84/3,070.40 = 951.60/x
  3. Step 3: Cross multiply
    2,047.84x = 3,070.40 × 951.60
  4. Step 4: Simplify right side
    2,047.84x = 2,921,792.64
  5. Step 5: Solve for x
    x = 2,921,792.64/2,047.84
  6. Step 6: Final answer
    x = 1,426.77

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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.