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Finding the Fourth Proportional to 70,628.50, 97,467.33 and 38,797.93

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Solution

The fourth proportional to 70,628.50, 97,467.33 and 38,797.93 is: 53,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,628.50 : 97,467.33 = 38,797.93 : x
  2. Step 2: Convert to fraction form
    70,628.50/97,467.33 = 38,797.93/x
  3. Step 3: Cross multiply
    70,628.50x = 97,467.33 × 38,797.93
  4. Step 4: Simplify right side
    70,628.50x = 3,781,530,646.63
  5. Step 5: Solve for x
    x = 3,781,530,646.63/70,628.50
  6. Step 6: Final answer
    x = 53,541.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.