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Finding the Fourth Proportional to 16,615.72, 24,928.28 and 6,762.07

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Solution

The fourth proportional to 16,615.72, 24,928.28 and 6,762.07 is: 10,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.72 : 24,928.28 = 6,762.07 : x
  2. Step 2: Convert to fraction form
    16,615.72/24,928.28 = 6,762.07/x
  3. Step 3: Cross multiply
    16,615.72x = 24,928.28 × 6,762.07
  4. Step 4: Simplify right side
    16,615.72x = 168,566,675.84
  5. Step 5: Solve for x
    x = 168,566,675.84/16,615.72
  6. Step 6: Final answer
    x = 10,145.01

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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.