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Finding the Fourth Proportional to 32,876.64, 45,390.84 and 29,333.64

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Solution

The fourth proportional to 32,876.64, 45,390.84 and 29,333.64 is: 40,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,876.64 : 45,390.84 = 29,333.64 : x
  2. Step 2: Convert to fraction form
    32,876.64/45,390.84 = 29,333.64/x
  3. Step 3: Cross multiply
    32,876.64x = 45,390.84 × 29,333.64
  4. Step 4: Simplify right side
    32,876.64x = 1,331,478,559.86
  5. Step 5: Solve for x
    x = 1,331,478,559.86/32,876.64
  6. Step 6: Final answer
    x = 40,499.23

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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.