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Finding the Fourth Proportional to 16,602.72, 24,904.80 and 5,510.40

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Solution

The fourth proportional to 16,602.72, 24,904.80 and 5,510.40 is: 8,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,602.72 : 24,904.80 = 5,510.40 : x
  2. Step 2: Convert to fraction form
    16,602.72/24,904.80 = 5,510.40/x
  3. Step 3: Cross multiply
    16,602.72x = 24,904.80 × 5,510.40
  4. Step 4: Simplify right side
    16,602.72x = 137,235,409.92
  5. Step 5: Solve for x
    x = 137,235,409.92/16,602.72
  6. Step 6: Final answer
    x = 8,265.84

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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.