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Finding the Fourth Proportional to 64,686.53, 96,829.11 and 35,030.81

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Solution

The fourth proportional to 64,686.53, 96,829.11 and 35,030.81 is: 52,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686.53 : 96,829.11 = 35,030.81 : x
  2. Step 2: Convert to fraction form
    64,686.53/96,829.11 = 35,030.81/x
  3. Step 3: Cross multiply
    64,686.53x = 96,829.11 × 35,030.81
  4. Step 4: Simplify right side
    64,686.53x = 3,392,001,670.73
  5. Step 5: Solve for x
    x = 3,392,001,670.73/64,686.53
  6. Step 6: Final answer
    x = 52,437.53

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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.