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Finding the Fourth Proportional to 70,299.51, 97,013.32 and 38,468.41

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Solution

The fourth proportional to 70,299.51, 97,013.32 and 38,468.41 is: 53,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,299.51 : 97,013.32 = 38,468.41 : x
  2. Step 2: Convert to fraction form
    70,299.51/97,013.32 = 38,468.41/x
  3. Step 3: Cross multiply
    70,299.51x = 97,013.32 × 38,468.41
  4. Step 4: Simplify right side
    70,299.51x = 3,731,948,169.22
  5. Step 5: Solve for x
    x = 3,731,948,169.22/70,299.51
  6. Step 6: Final answer
    x = 53,086.40

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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.