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Finding the Fourth Proportional to 70,349.69, 97,081.83 and 38,083.59

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Solution

The fourth proportional to 70,349.69, 97,081.83 and 38,083.59 is: 52,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,349.69 : 97,081.83 = 38,083.59 : x
  2. Step 2: Convert to fraction form
    70,349.69/97,081.83 = 38,083.59/x
  3. Step 3: Cross multiply
    70,349.69x = 97,081.83 × 38,083.59
  4. Step 4: Simplify right side
    70,349.69x = 3,697,224,219.97
  5. Step 5: Solve for x
    x = 3,697,224,219.97/70,349.69
  6. Step 6: Final answer
    x = 52,554.94

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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.