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Finding the Fourth Proportional to 70,598.77, 97,427.49 and 38,770.63

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Solution

The fourth proportional to 70,598.77, 97,427.49 and 38,770.63 is: 53,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,598.77 : 97,427.49 = 38,770.63 : x
  2. Step 2: Convert to fraction form
    70,598.77/97,427.49 = 38,770.63/x
  3. Step 3: Cross multiply
    70,598.77x = 97,427.49 × 38,770.63
  4. Step 4: Simplify right side
    70,598.77x = 3,777,325,166.62
  5. Step 5: Solve for x
    x = 3,777,325,166.62/70,598.77
  6. Step 6: Final answer
    x = 53,504.12

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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.