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Finding the Fourth Proportional to 64,810.46, 97,223.80 and 25,362.48

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Solution

The fourth proportional to 64,810.46, 97,223.80 and 25,362.48 is: 38,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,810.46 : 97,223.80 = 25,362.48 : x
  2. Step 2: Convert to fraction form
    64,810.46/97,223.80 = 25,362.48/x
  3. Step 3: Cross multiply
    64,810.46x = 97,223.80 × 25,362.48
  4. Step 4: Simplify right side
    64,810.46x = 2,465,836,683.02
  5. Step 5: Solve for x
    x = 2,465,836,683.02/64,810.46
  6. Step 6: Final answer
    x = 38,046.89

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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.