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Finding the Fourth Proportional to 16,777.58, 25,162.49 and 7,412.50

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Solution

The fourth proportional to 16,777.58, 25,162.49 and 7,412.50 is: 11,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,777.58 : 25,162.49 = 7,412.50 : x
  2. Step 2: Convert to fraction form
    16,777.58/25,162.49 = 7,412.50/x
  3. Step 3: Cross multiply
    16,777.58x = 25,162.49 × 7,412.50
  4. Step 4: Simplify right side
    16,777.58x = 186,516,857.16
  5. Step 5: Solve for x
    x = 186,516,857.16/16,777.58
  6. Step 6: Final answer
    x = 11,117.03

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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.