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Finding the Fourth Proportional to 3,482.77, 5,222.55 and 1,507.48

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Solution

The fourth proportional to 3,482.77, 5,222.55 and 1,507.48 is: 2,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.77 : 5,222.55 = 1,507.48 : x
  2. Step 2: Convert to fraction form
    3,482.77/5,222.55 = 1,507.48/x
  3. Step 3: Cross multiply
    3,482.77x = 5,222.55 × 1,507.48
  4. Step 4: Simplify right side
    3,482.77x = 7,872,889.67
  5. Step 5: Solve for x
    x = 7,872,889.67/3,482.77
  6. Step 6: Final answer
    x = 2,260.53

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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.