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Finding the Fourth Proportional to 64,478.24, 96,672 and 25,002.08

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Solution

The fourth proportional to 64,478.24, 96,672 and 25,002.08 is: 37,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,478.24 : 96,672 = 25,002.08 : x
  2. Step 2: Convert to fraction form
    64,478.24/96,672 = 25,002.08/x
  3. Step 3: Cross multiply
    64,478.24x = 96,672 × 25,002.08
  4. Step 4: Simplify right side
    64,478.24x = 2,417,001,077.76
  5. Step 5: Solve for x
    x = 2,417,001,077.76/64,478.24
  6. Step 6: Final answer
    x = 37,485.53

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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.