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Finding the Fourth Proportional to 64,895, 97,353.04 and 25,430.72

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Solution

The fourth proportional to 64,895, 97,353.04 and 25,430.72 is: 38,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,895 : 97,353.04 = 25,430.72 : x
  2. Step 2: Convert to fraction form
    64,895/97,353.04 = 25,430.72/x
  3. Step 3: Cross multiply
    64,895x = 97,353.04 × 25,430.72
  4. Step 4: Simplify right side
    64,895x = 2,475,757,901.39
  5. Step 5: Solve for x
    x = 2,475,757,901.39/64,895
  6. Step 6: Final answer
    x = 38,150.21

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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.