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Finding the Fourth Proportional to 70,403.48, 105,594.20 and 23,018.20

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Solution

The fourth proportional to 70,403.48, 105,594.20 and 23,018.20 is: 34,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,403.48 : 105,594.20 = 23,018.20 : x
  2. Step 2: Convert to fraction form
    70,403.48/105,594.20 = 23,018.20/x
  3. Step 3: Cross multiply
    70,403.48x = 105,594.20 × 23,018.20
  4. Step 4: Simplify right side
    70,403.48x = 2,430,588,414.44
  5. Step 5: Solve for x
    x = 2,430,588,414.44/70,403.48
  6. Step 6: Final answer
    x = 34,523.70

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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.