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Finding the Fourth Proportional to 70,249.76, 105,341.52 and 23,490.08

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Solution

The fourth proportional to 70,249.76, 105,341.52 and 23,490.08 is: 35,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,249.76 : 105,341.52 = 23,490.08 : x
  2. Step 2: Convert to fraction form
    70,249.76/105,341.52 = 23,490.08/x
  3. Step 3: Cross multiply
    70,249.76x = 105,341.52 × 23,490.08
  4. Step 4: Simplify right side
    70,249.76x = 2,474,480,732.12
  5. Step 5: Solve for x
    x = 2,474,480,732.12/70,249.76
  6. Step 6: Final answer
    x = 35,224.05

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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.