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Finding the Fourth Proportional to 70,432.63, 105,649.49 and 23,684.83

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Solution

The fourth proportional to 70,432.63, 105,649.49 and 23,684.83 is: 35,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,432.63 : 105,649.49 = 23,684.83 : x
  2. Step 2: Convert to fraction form
    70,432.63/105,649.49 = 23,684.83/x
  3. Step 3: Cross multiply
    70,432.63x = 105,649.49 × 23,684.83
  4. Step 4: Simplify right side
    70,432.63x = 2,502,290,210.24
  5. Step 5: Solve for x
    x = 2,502,290,210.24/70,432.63
  6. Step 6: Final answer
    x = 35,527.43

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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.