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Finding the Fourth Proportional to 70,915.51, 106,385.88 and 23,533.44

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Solution

The fourth proportional to 70,915.51, 106,385.88 and 23,533.44 is: 35,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,915.51 : 106,385.88 = 23,533.44 : x
  2. Step 2: Convert to fraction form
    70,915.51/106,385.88 = 23,533.44/x
  3. Step 3: Cross multiply
    70,915.51x = 106,385.88 × 23,533.44
  4. Step 4: Simplify right side
    70,915.51x = 2,503,625,723.83
  5. Step 5: Solve for x
    x = 2,503,625,723.83/70,915.51
  6. Step 6: Final answer
    x = 35,304.35

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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.