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Finding the Fourth Proportional to 70,342.93, 105,523.07 and 22,945.34

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Solution

The fourth proportional to 70,342.93, 105,523.07 and 22,945.34 is: 34,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,342.93 : 105,523.07 = 22,945.34 : x
  2. Step 2: Convert to fraction form
    70,342.93/105,523.07 = 22,945.34/x
  3. Step 3: Cross multiply
    70,342.93x = 105,523.07 × 22,945.34
  4. Step 4: Simplify right side
    70,342.93x = 2,421,262,997.14
  5. Step 5: Solve for x
    x = 2,421,262,997.14/70,342.93
  6. Step 6: Final answer
    x = 34,420.84

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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.