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Finding the Fourth Proportional to 32,695.72, 45,118.92 and 18,551.32

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Solution

The fourth proportional to 32,695.72, 45,118.92 and 18,551.32 is: 25,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,695.72 : 45,118.92 = 18,551.32 : x
  2. Step 2: Convert to fraction form
    32,695.72/45,118.92 = 18,551.32/x
  3. Step 3: Cross multiply
    32,695.72x = 45,118.92 × 18,551.32
  4. Step 4: Simplify right side
    32,695.72x = 837,015,522.97
  5. Step 5: Solve for x
    x = 837,015,522.97/32,695.72
  6. Step 6: Final answer
    x = 25,600.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.