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Finding the Fourth Proportional to 1,848.05, 2,769.35 and 751.08

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Solution

The fourth proportional to 1,848.05, 2,769.35 and 751.08 is: 1,125.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.05 : 2,769.35 = 751.08 : x
  2. Step 2: Convert to fraction form
    1,848.05/2,769.35 = 751.08/x
  3. Step 3: Cross multiply
    1,848.05x = 2,769.35 × 751.08
  4. Step 4: Simplify right side
    1,848.05x = 2,079,999.64
  5. Step 5: Solve for x
    x = 2,079,999.64/1,848.05
  6. Step 6: Final answer
    x = 1,125.51

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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.