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Finding the Fourth Proportional to 64,461.35, 96,689.89 and 26,509.31

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Solution

The fourth proportional to 64,461.35, 96,689.89 and 26,509.31 is: 39,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,461.35 : 96,689.89 = 26,509.31 : x
  2. Step 2: Convert to fraction form
    64,461.35/96,689.89 = 26,509.31/x
  3. Step 3: Cross multiply
    64,461.35x = 96,689.89 × 26,509.31
  4. Step 4: Simplify right side
    64,461.35x = 2,563,182,180.15
  5. Step 5: Solve for x
    x = 2,563,182,180.15/64,461.35
  6. Step 6: Final answer
    x = 39,763.08

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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.