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Finding the Fourth Proportional to 70,341.22, 105,520.50 and 22,943.63

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Solution

The fourth proportional to 70,341.22, 105,520.50 and 22,943.63 is: 34,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,341.22 : 105,520.50 = 22,943.63 : x
  2. Step 2: Convert to fraction form
    70,341.22/105,520.50 = 22,943.63/x
  3. Step 3: Cross multiply
    70,341.22x = 105,520.50 × 22,943.63
  4. Step 4: Simplify right side
    70,341.22x = 2,421,023,309.42
  5. Step 5: Solve for x
    x = 2,421,023,309.42/70,341.22
  6. Step 6: Final answer
    x = 34,418.27

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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.