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Finding the Fourth Proportional to 64,904.68, 97,367.46 and 25,440.40

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Solution

The fourth proportional to 64,904.68, 97,367.46 and 25,440.40 is: 38,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,904.68 : 97,367.46 = 25,440.40 : x
  2. Step 2: Convert to fraction form
    64,904.68/97,367.46 = 25,440.40/x
  3. Step 3: Cross multiply
    64,904.68x = 97,367.46 × 25,440.40
  4. Step 4: Simplify right side
    64,904.68x = 2,477,067,129.38
  5. Step 5: Solve for x
    x = 2,477,067,129.38/64,904.68
  6. Step 6: Final answer
    x = 38,164.69

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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.