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Finding the Fourth Proportional to 32,659.92, 45,070.64 and 19,913.10

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Solution

The fourth proportional to 32,659.92, 45,070.64 and 19,913.10 is: 27,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,659.92 : 45,070.64 = 19,913.10 : x
  2. Step 2: Convert to fraction form
    32,659.92/45,070.64 = 19,913.10/x
  3. Step 3: Cross multiply
    32,659.92x = 45,070.64 × 19,913.10
  4. Step 4: Simplify right side
    32,659.92x = 897,496,161.38
  5. Step 5: Solve for x
    x = 897,496,161.38/32,659.92
  6. Step 6: Final answer
    x = 27,480.05

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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.