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Finding the Fourth Proportional to 30,352.80, 41,913.30 and 19,041.74

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Solution

The fourth proportional to 30,352.80, 41,913.30 and 19,041.74 is: 26,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,352.80 : 41,913.30 = 19,041.74 : x
  2. Step 2: Convert to fraction form
    30,352.80/41,913.30 = 19,041.74/x
  3. Step 3: Cross multiply
    30,352.80x = 41,913.30 × 19,041.74
  4. Step 4: Simplify right side
    30,352.80x = 798,101,951.58
  5. Step 5: Solve for x
    x = 798,101,951.58/30,352.80
  6. Step 6: Final answer
    x = 26,294.18

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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.