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Finding the Fourth Proportional to 11,070.68, 16,600.55 and 4,827.99

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Solution

The fourth proportional to 11,070.68, 16,600.55 and 4,827.99 is: 7,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.68 : 16,600.55 = 4,827.99 : x
  2. Step 2: Convert to fraction form
    11,070.68/16,600.55 = 4,827.99/x
  3. Step 3: Cross multiply
    11,070.68x = 16,600.55 × 4,827.99
  4. Step 4: Simplify right side
    11,070.68x = 80,147,261.29
  5. Step 5: Solve for x
    x = 80,147,261.29/11,070.68
  6. Step 6: Final answer
    x = 7,239.60

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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.