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Finding the Fourth Proportional to 70,655.79, 97,503.03 and 38,824.68

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Solution

The fourth proportional to 70,655.79, 97,503.03 and 38,824.68 is: 53,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,655.79 : 97,503.03 = 38,824.68 : x
  2. Step 2: Convert to fraction form
    70,655.79/97,503.03 = 38,824.68/x
  3. Step 3: Cross multiply
    70,655.79x = 97,503.03 × 38,824.68
  4. Step 4: Simplify right side
    70,655.79x = 3,785,523,938.78
  5. Step 5: Solve for x
    x = 3,785,523,938.78/70,655.79
  6. Step 6: Final answer
    x = 53,576.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.