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Finding the Fourth Proportional to 64,345.35, 96,485.11 and 26,895.20

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Solution

The fourth proportional to 64,345.35, 96,485.11 and 26,895.20 is: 40,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,345.35 : 96,485.11 = 26,895.20 : x
  2. Step 2: Convert to fraction form
    64,345.35/96,485.11 = 26,895.20/x
  3. Step 3: Cross multiply
    64,345.35x = 96,485.11 × 26,895.20
  4. Step 4: Simplify right side
    64,345.35x = 2,594,986,330.47
  5. Step 5: Solve for x
    x = 2,594,986,330.47/64,345.35
  6. Step 6: Final answer
    x = 40,329.04

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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.