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Finding the Fourth Proportional to 32,900.64, 45,393.12 and 18,752.64

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Solution

The fourth proportional to 32,900.64, 45,393.12 and 18,752.64 is: 25,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,900.64 : 45,393.12 = 18,752.64 : x
  2. Step 2: Convert to fraction form
    32,900.64/45,393.12 = 18,752.64/x
  3. Step 3: Cross multiply
    32,900.64x = 45,393.12 × 18,752.64
  4. Step 4: Simplify right side
    32,900.64x = 851,240,837.84
  5. Step 5: Solve for x
    x = 851,240,837.84/32,900.64
  6. Step 6: Final answer
    x = 25,873.08

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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.