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Finding the Fourth Proportional to 70,465.55, 105,715.58 and 23,083.18

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Solution

The fourth proportional to 70,465.55, 105,715.58 and 23,083.18 is: 34,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,465.55 : 105,715.58 = 23,083.18 : x
  2. Step 2: Convert to fraction form
    70,465.55/105,715.58 = 23,083.18/x
  3. Step 3: Cross multiply
    70,465.55x = 105,715.58 × 23,083.18
  4. Step 4: Simplify right side
    70,465.55x = 2,440,251,512.08
  5. Step 5: Solve for x
    x = 2,440,251,512.08/70,465.55
  6. Step 6: Final answer
    x = 34,630.42

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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.