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Finding the Fourth Proportional to 70,599.69, 97,428.25 and 38,769.25

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Solution

The fourth proportional to 70,599.69, 97,428.25 and 38,769.25 is: 53,501.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,599.69 : 97,428.25 = 38,769.25 : x
  2. Step 2: Convert to fraction form
    70,599.69/97,428.25 = 38,769.25/x
  3. Step 3: Cross multiply
    70,599.69x = 97,428.25 × 38,769.25
  4. Step 4: Simplify right side
    70,599.69x = 3,777,220,181.31
  5. Step 5: Solve for x
    x = 3,777,220,181.31/70,599.69
  6. Step 6: Final answer
    x = 53,501.94

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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.