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Finding the Fourth Proportional to 70,728.35, 106,095.84 and 23,347.58

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Solution

The fourth proportional to 70,728.35, 106,095.84 and 23,347.58 is: 35,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,728.35 : 106,095.84 = 23,347.58 : x
  2. Step 2: Convert to fraction form
    70,728.35/106,095.84 = 23,347.58/x
  3. Step 3: Cross multiply
    70,728.35x = 106,095.84 × 23,347.58
  4. Step 4: Simplify right side
    70,728.35x = 2,477,080,581.59
  5. Step 5: Solve for x
    x = 2,477,080,581.59/70,728.35
  6. Step 6: Final answer
    x = 35,022.46

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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.