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Finding the Fourth Proportional to 18,827.01, 28,240.05 and 4,595.59

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Solution

The fourth proportional to 18,827.01, 28,240.05 and 4,595.59 is: 6,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.01 : 28,240.05 = 4,595.59 : x
  2. Step 2: Convert to fraction form
    18,827.01/28,240.05 = 4,595.59/x
  3. Step 3: Cross multiply
    18,827.01x = 28,240.05 × 4,595.59
  4. Step 4: Simplify right side
    18,827.01x = 129,779,691.38
  5. Step 5: Solve for x
    x = 129,779,691.38/18,827.01
  6. Step 6: Final answer
    x = 6,893.27

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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.