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Finding the Fourth Proportional to 70,393.97, 105,579.95 and 23,008.70

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Solution

The fourth proportional to 70,393.97, 105,579.95 and 23,008.70 is: 34,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,393.97 : 105,579.95 = 23,008.70 : x
  2. Step 2: Convert to fraction form
    70,393.97/105,579.95 = 23,008.70/x
  3. Step 3: Cross multiply
    70,393.97x = 105,579.95 × 23,008.70
  4. Step 4: Simplify right side
    70,393.97x = 2,429,256,752.62
  5. Step 5: Solve for x
    x = 2,429,256,752.62/70,393.97
  6. Step 6: Final answer
    x = 34,509.45

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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.