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Finding the Fourth Proportional to 19,259.52, 26,578.12 and 10,427.52

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Solution

The fourth proportional to 19,259.52, 26,578.12 and 10,427.52 is: 14,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.52 : 26,578.12 = 10,427.52 : x
  2. Step 2: Convert to fraction form
    19,259.52/26,578.12 = 10,427.52/x
  3. Step 3: Cross multiply
    19,259.52x = 26,578.12 × 10,427.52
  4. Step 4: Simplify right side
    19,259.52x = 277,143,877.86
  5. Step 5: Solve for x
    x = 277,143,877.86/19,259.52
  6. Step 6: Final answer
    x = 14,389.97

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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.