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Finding the Fourth Proportional to 7,507.51, 11,250.86 and 2,822.82

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Solution

The fourth proportional to 7,507.51, 11,250.86 and 2,822.82 is: 4,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.51 : 11,250.86 = 2,822.82 : x
  2. Step 2: Convert to fraction form
    7,507.51/11,250.86 = 2,822.82/x
  3. Step 3: Cross multiply
    7,507.51x = 11,250.86 × 2,822.82
  4. Step 4: Simplify right side
    7,507.51x = 31,759,152.63
  5. Step 5: Solve for x
    x = 31,759,152.63/7,507.51
  6. Step 6: Final answer
    x = 4,230.32

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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.