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Finding the Fourth Proportional to 64,418.64, 96,626.88 and 17,669.76

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Solution

The fourth proportional to 64,418.64, 96,626.88 and 17,669.76 is: 26,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,418.64 : 96,626.88 = 17,669.76 : x
  2. Step 2: Convert to fraction form
    64,418.64/96,626.88 = 17,669.76/x
  3. Step 3: Cross multiply
    64,418.64x = 96,626.88 × 17,669.76
  4. Step 4: Simplify right side
    64,418.64x = 1,707,373,779.15
  5. Step 5: Solve for x
    x = 1,707,373,779.15/64,418.64
  6. Step 6: Final answer
    x = 26,504.34

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1.5x scale

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.