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Finding the Fourth Proportional to 70,411.75, 105,617.63 and 23,664.63

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Solution

The fourth proportional to 70,411.75, 105,617.63 and 23,664.63 is: 35,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,411.75 : 105,617.63 = 23,664.63 : x
  2. Step 2: Convert to fraction form
    70,411.75/105,617.63 = 23,664.63/x
  3. Step 3: Cross multiply
    70,411.75x = 105,617.63 × 23,664.63
  4. Step 4: Simplify right side
    70,411.75x = 2,499,402,135.43
  5. Step 5: Solve for x
    x = 2,499,402,135.43/70,411.75
  6. Step 6: Final answer
    x = 35,496.95

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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.