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Finding the Fourth Proportional to 65,076.79, 97,503.78 and 35,515.39

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Solution

The fourth proportional to 65,076.79, 97,503.78 and 35,515.39 is: 53,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,076.79 : 97,503.78 = 35,515.39 : x
  2. Step 2: Convert to fraction form
    65,076.79/97,503.78 = 35,515.39/x
  3. Step 3: Cross multiply
    65,076.79x = 97,503.78 × 35,515.39
  4. Step 4: Simplify right side
    65,076.79x = 3,462,884,773.17
  5. Step 5: Solve for x
    x = 3,462,884,773.17/65,076.79
  6. Step 6: Final answer
    x = 53,212.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.