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Finding the Fourth Proportional to 70,623.54, 97,461.06 and 38,793.15

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Solution

The fourth proportional to 70,623.54, 97,461.06 and 38,793.15 is: 53,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,623.54 : 97,461.06 = 38,793.15 : x
  2. Step 2: Convert to fraction form
    70,623.54/97,461.06 = 38,793.15/x
  3. Step 3: Cross multiply
    70,623.54x = 97,461.06 × 38,793.15
  4. Step 4: Simplify right side
    70,623.54x = 3,780,821,519.74
  5. Step 5: Solve for x
    x = 3,780,821,519.74/70,623.54
  6. Step 6: Final answer
    x = 53,534.86

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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.