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Finding the Fourth Proportional to 19,241.17, 28,860.59 and 5,914.28

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Solution

The fourth proportional to 19,241.17, 28,860.59 and 5,914.28 is: 8,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.17 : 28,860.59 = 5,914.28 : x
  2. Step 2: Convert to fraction form
    19,241.17/28,860.59 = 5,914.28/x
  3. Step 3: Cross multiply
    19,241.17x = 28,860.59 × 5,914.28
  4. Step 4: Simplify right side
    19,241.17x = 170,689,652.81
  5. Step 5: Solve for x
    x = 170,689,652.81/19,241.17
  6. Step 6: Final answer
    x = 8,871.07

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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.