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Finding the Fourth Proportional to 15,284.70, 22,878.45 and 10,910.70

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Solution

The fourth proportional to 15,284.70, 22,878.45 and 10,910.70 is: 16,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.70 : 22,878.45 = 10,910.70 : x
  2. Step 2: Convert to fraction form
    15,284.70/22,878.45 = 10,910.70/x
  3. Step 3: Cross multiply
    15,284.70x = 22,878.45 × 10,910.70
  4. Step 4: Simplify right side
    15,284.70x = 249,619,904.42
  5. Step 5: Solve for x
    x = 249,619,904.42/15,284.70
  6. Step 6: Final answer
    x = 16,331.36

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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.