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Finding the Fourth Proportional to 64,903.68, 97,365.96 and 25,439.40

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Solution

The fourth proportional to 64,903.68, 97,365.96 and 25,439.40 is: 38,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,903.68 : 97,365.96 = 25,439.40 : x
  2. Step 2: Convert to fraction form
    64,903.68/97,365.96 = 25,439.40/x
  3. Step 3: Cross multiply
    64,903.68x = 97,365.96 × 25,439.40
  4. Step 4: Simplify right side
    64,903.68x = 2,476,931,602.82
  5. Step 5: Solve for x
    x = 2,476,931,602.82/64,903.68
  6. Step 6: Final answer
    x = 38,163.19

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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.