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Finding the Fourth Proportional to 70,888.53, 97,824.99 and 39,060.39

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Solution

The fourth proportional to 70,888.53, 97,824.99 and 39,060.39 is: 53,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,888.53 : 97,824.99 = 39,060.39 : x
  2. Step 2: Convert to fraction form
    70,888.53/97,824.99 = 39,060.39/x
  3. Step 3: Cross multiply
    70,888.53x = 97,824.99 × 39,060.39
  4. Step 4: Simplify right side
    70,888.53x = 3,821,082,261.15
  5. Step 5: Solve for x
    x = 3,821,082,261.15/70,888.53
  6. Step 6: Final answer
    x = 53,902.69

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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.