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Finding the Fourth Proportional to 64,602.72, 96,913.80 and 23,040

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Solution

The fourth proportional to 64,602.72, 96,913.80 and 23,040 is: 34,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,602.72 : 96,913.80 = 23,040 : x
  2. Step 2: Convert to fraction form
    64,602.72/96,913.80 = 23,040/x
  3. Step 3: Cross multiply
    64,602.72x = 96,913.80 × 23,040
  4. Step 4: Simplify right side
    64,602.72x = 2,232,893,952
  5. Step 5: Solve for x
    x = 2,232,893,952/64,602.72
  6. Step 6: Final answer
    x = 34,563.47

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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.