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Finding the Fourth Proportional to 9,035.92, 13,567.65 and 8,590.42

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Solution

The fourth proportional to 9,035.92, 13,567.65 and 8,590.42 is: 12,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,035.92 : 13,567.65 = 8,590.42 : x
  2. Step 2: Convert to fraction form
    9,035.92/13,567.65 = 8,590.42/x
  3. Step 3: Cross multiply
    9,035.92x = 13,567.65 × 8,590.42
  4. Step 4: Simplify right side
    9,035.92x = 116,551,811.91
  5. Step 5: Solve for x
    x = 116,551,811.91/9,035.92
  6. Step 6: Final answer
    x = 12,898.72

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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.