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Finding the Fourth Proportional to 70,330.40, 97,039.64 and 41,635.64

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Solution

The fourth proportional to 70,330.40, 97,039.64 and 41,635.64 is: 57,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,330.40 : 97,039.64 = 41,635.64 : x
  2. Step 2: Convert to fraction form
    70,330.40/97,039.64 = 41,635.64/x
  3. Step 3: Cross multiply
    70,330.40x = 97,039.64 × 41,635.64
  4. Step 4: Simplify right side
    70,330.40x = 4,040,307,516.77
  5. Step 5: Solve for x
    x = 4,040,307,516.77/70,330.40
  6. Step 6: Final answer
    x = 57,447.53

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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.