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Finding the Fourth Proportional to 70,476.60, 97,257.63 and 38,646.03

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Solution

The fourth proportional to 70,476.60, 97,257.63 and 38,646.03 is: 53,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,476.60 : 97,257.63 = 38,646.03 : x
  2. Step 2: Convert to fraction form
    70,476.60/97,257.63 = 38,646.03/x
  3. Step 3: Cross multiply
    70,476.60x = 97,257.63 × 38,646.03
  4. Step 4: Simplify right side
    70,476.60x = 3,758,621,286.71
  5. Step 5: Solve for x
    x = 3,758,621,286.71/70,476.60
  6. Step 6: Final answer
    x = 53,331.48

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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.