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Finding the Fourth Proportional to 32,695.68, 45,127.68 and 20,749.44

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Solution

The fourth proportional to 32,695.68, 45,127.68 and 20,749.44 is: 28,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,695.68 : 45,127.68 = 20,749.44 : x
  2. Step 2: Convert to fraction form
    32,695.68/45,127.68 = 20,749.44/x
  3. Step 3: Cross multiply
    32,695.68x = 45,127.68 × 20,749.44
  4. Step 4: Simplify right side
    32,695.68x = 936,374,088.50
  5. Step 5: Solve for x
    x = 936,374,088.50/32,695.68
  6. Step 6: Final answer
    x = 28,639.08

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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.