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Finding the Fourth Proportional to 7,241.94, 9,994.86 and 4,259.52

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Solution

The fourth proportional to 7,241.94, 9,994.86 and 4,259.52 is: 5,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.94 : 9,994.86 = 4,259.52 : x
  2. Step 2: Convert to fraction form
    7,241.94/9,994.86 = 4,259.52/x
  3. Step 3: Cross multiply
    7,241.94x = 9,994.86 × 4,259.52
  4. Step 4: Simplify right side
    7,241.94x = 42,573,306.07
  5. Step 5: Solve for x
    x = 42,573,306.07/7,241.94
  6. Step 6: Final answer
    x = 5,878.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.