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Finding the Fourth Proportional to 34,328.25, 47,373.71 and 19,424.25

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Solution

The fourth proportional to 34,328.25, 47,373.71 and 19,424.25 is: 26,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,328.25 : 47,373.71 = 19,424.25 : x
  2. Step 2: Convert to fraction form
    34,328.25/47,373.71 = 19,424.25/x
  3. Step 3: Cross multiply
    34,328.25x = 47,373.71 × 19,424.25
  4. Step 4: Simplify right side
    34,328.25x = 920,198,689.35
  5. Step 5: Solve for x
    x = 920,198,689.35/34,328.25
  6. Step 6: Final answer
    x = 26,805.87

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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.