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Finding the Fourth Proportional to 64,810.71, 97,224.17 and 25,362.72

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Solution

The fourth proportional to 64,810.71, 97,224.17 and 25,362.72 is: 38,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,810.71 : 97,224.17 = 25,362.72 : x
  2. Step 2: Convert to fraction form
    64,810.71/97,224.17 = 25,362.72/x
  3. Step 3: Cross multiply
    64,810.71x = 97,224.17 × 25,362.72
  4. Step 4: Simplify right side
    64,810.71x = 2,465,869,274.13
  5. Step 5: Solve for x
    x = 2,465,869,274.13/64,810.71
  6. Step 6: Final answer
    x = 38,047.25

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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.