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Finding the Fourth Proportional to 1,924.74, 2,888.22 and 1,909.08

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Solution

The fourth proportional to 1,924.74, 2,888.22 and 1,909.08 is: 2,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.74 : 2,888.22 = 1,909.08 : x
  2. Step 2: Convert to fraction form
    1,924.74/2,888.22 = 1,909.08/x
  3. Step 3: Cross multiply
    1,924.74x = 2,888.22 × 1,909.08
  4. Step 4: Simplify right side
    1,924.74x = 5,513,845.49
  5. Step 5: Solve for x
    x = 5,513,845.49/1,924.74
  6. Step 6: Final answer
    x = 2,864.72

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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.