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Finding the Fourth Proportional to 70,627.68, 97,467.12 and 38,800.08

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Solution

The fourth proportional to 70,627.68, 97,467.12 and 38,800.08 is: 53,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,627.68 : 97,467.12 = 38,800.08 : x
  2. Step 2: Convert to fraction form
    70,627.68/97,467.12 = 38,800.08/x
  3. Step 3: Cross multiply
    70,627.68x = 97,467.12 × 38,800.08
  4. Step 4: Simplify right side
    70,627.68x = 3,781,732,053.37
  5. Step 5: Solve for x
    x = 3,781,732,053.37/70,627.68
  6. Step 6: Final answer
    x = 53,544.62

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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.