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Finding the Fourth Proportional to 64,006.60, 96,009.79 and 26,541.67

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Solution

The fourth proportional to 64,006.60, 96,009.79 and 26,541.67 is: 39,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,006.60 : 96,009.79 = 26,541.67 : x
  2. Step 2: Convert to fraction form
    64,006.60/96,009.79 = 26,541.67/x
  3. Step 3: Cross multiply
    64,006.60x = 96,009.79 × 26,541.67
  4. Step 4: Simplify right side
    64,006.60x = 2,548,259,550.19
  5. Step 5: Solve for x
    x = 2,548,259,550.19/64,006.60
  6. Step 6: Final answer
    x = 39,812.45

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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.