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Finding the Fourth Proportional to 15,113.39, 22,673.93 and 8,878.68

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Solution

The fourth proportional to 15,113.39, 22,673.93 and 8,878.68 is: 13,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.39 : 22,673.93 = 8,878.68 : x
  2. Step 2: Convert to fraction form
    15,113.39/22,673.93 = 8,878.68/x
  3. Step 3: Cross multiply
    15,113.39x = 22,673.93 × 8,878.68
  4. Step 4: Simplify right side
    15,113.39x = 201,314,524.42
  5. Step 5: Solve for x
    x = 201,314,524.42/15,113.39
  6. Step 6: Final answer
    x = 13,320.28

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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.