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Finding the Fourth Proportional to 34,449.60, 51,678.72 and 16,904.64

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Solution

The fourth proportional to 34,449.60, 51,678.72 and 16,904.64 is: 25,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,449.60 : 51,678.72 = 16,904.64 : x
  2. Step 2: Convert to fraction form
    34,449.60/51,678.72 = 16,904.64/x
  3. Step 3: Cross multiply
    34,449.60x = 51,678.72 × 16,904.64
  4. Step 4: Simplify right side
    34,449.60x = 873,610,157.26
  5. Step 5: Solve for x
    x = 873,610,157.26/34,449.60
  6. Step 6: Final answer
    x = 25,359.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.