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Finding the Fourth Proportional to 1,835.95, 2,754.22 and 740.22

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Solution

The fourth proportional to 1,835.95, 2,754.22 and 740.22 is: 1,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.95 : 2,754.22 = 740.22 : x
  2. Step 2: Convert to fraction form
    1,835.95/2,754.22 = 740.22/x
  3. Step 3: Cross multiply
    1,835.95x = 2,754.22 × 740.22
  4. Step 4: Simplify right side
    1,835.95x = 2,038,723.69
  5. Step 5: Solve for x
    x = 2,038,723.69/1,835.95
  6. Step 6: Final answer
    x = 1,110.45

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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.