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Finding the Fourth Proportional to 9,070.40, 13,609.10 and 3,527.65

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Solution

The fourth proportional to 9,070.40, 13,609.10 and 3,527.65 is: 5,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.40 : 13,609.10 = 3,527.65 : x
  2. Step 2: Convert to fraction form
    9,070.40/13,609.10 = 3,527.65/x
  3. Step 3: Cross multiply
    9,070.40x = 13,609.10 × 3,527.65
  4. Step 4: Simplify right side
    9,070.40x = 48,008,167.45
  5. Step 5: Solve for x
    x = 48,008,167.45/9,070.40
  6. Step 6: Final answer
    x = 5,292.84

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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.