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Finding the Fourth Proportional to 70,653.57, 105,957.71 and 23,257.63

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Solution

The fourth proportional to 70,653.57, 105,957.71 and 23,257.63 is: 34,878.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,653.57 : 105,957.71 = 23,257.63 : x
  2. Step 2: Convert to fraction form
    70,653.57/105,957.71 = 23,257.63/x
  3. Step 3: Cross multiply
    70,653.57x = 105,957.71 × 23,257.63
  4. Step 4: Simplify right side
    70,653.57x = 2,464,325,318.20
  5. Step 5: Solve for x
    x = 2,464,325,318.20/70,653.57
  6. Step 6: Final answer
    x = 34,878.99

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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.