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Finding the Fourth Proportional to 19,264.69, 28,900.95 and 10,948.69

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Solution

The fourth proportional to 19,264.69, 28,900.95 and 10,948.69 is: 16,425.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264.69 : 28,900.95 = 10,948.69 : x
  2. Step 2: Convert to fraction form
    19,264.69/28,900.95 = 10,948.69/x
  3. Step 3: Cross multiply
    19,264.69x = 28,900.95 × 10,948.69
  4. Step 4: Simplify right side
    19,264.69x = 316,427,542.26
  5. Step 5: Solve for x
    x = 316,427,542.26/19,264.69
  6. Step 6: Final answer
    x = 16,425.26

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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.