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Finding the Fourth Proportional to 2,073.84, 2,865.54 and 1,657.63

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Solution

The fourth proportional to 2,073.84, 2,865.54 and 1,657.63 is: 2,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.84 : 2,865.54 = 1,657.63 : x
  2. Step 2: Convert to fraction form
    2,073.84/2,865.54 = 1,657.63/x
  3. Step 3: Cross multiply
    2,073.84x = 2,865.54 × 1,657.63
  4. Step 4: Simplify right side
    2,073.84x = 4,750,005.07
  5. Step 5: Solve for x
    x = 4,750,005.07/2,073.84
  6. Step 6: Final answer
    x = 2,290.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.