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Finding the Fourth Proportional to 64,182.90, 96,290.80 and 26,730.52

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Solution

The fourth proportional to 64,182.90, 96,290.80 and 26,730.52 is: 40,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,182.90 : 96,290.80 = 26,730.52 : x
  2. Step 2: Convert to fraction form
    64,182.90/96,290.80 = 26,730.52/x
  3. Step 3: Cross multiply
    64,182.90x = 96,290.80 × 26,730.52
  4. Step 4: Simplify right side
    64,182.90x = 2,573,903,155.22
  5. Step 5: Solve for x
    x = 2,573,903,155.22/64,182.90
  6. Step 6: Final answer
    x = 40,102.63

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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.