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Finding the Fourth Proportional to 64,465.94, 96,703.56 and 26,988.32

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Solution

The fourth proportional to 64,465.94, 96,703.56 and 26,988.32 is: 40,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,465.94 : 96,703.56 = 26,988.32 : x
  2. Step 2: Convert to fraction form
    64,465.94/96,703.56 = 26,988.32/x
  3. Step 3: Cross multiply
    64,465.94x = 96,703.56 × 26,988.32
  4. Step 4: Simplify right side
    64,465.94x = 2,609,866,138.90
  5. Step 5: Solve for x
    x = 2,609,866,138.90/64,465.94
  6. Step 6: Final answer
    x = 40,484.42

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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.