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Finding the Fourth Proportional to 9,613.12, 14,421.12 and 4,063.68

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Solution

The fourth proportional to 9,613.12, 14,421.12 and 4,063.68 is: 6,096.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.12 : 14,421.12 = 4,063.68 : x
  2. Step 2: Convert to fraction form
    9,613.12/14,421.12 = 4,063.68/x
  3. Step 3: Cross multiply
    9,613.12x = 14,421.12 × 4,063.68
  4. Step 4: Simplify right side
    9,613.12x = 58,602,816.92
  5. Step 5: Solve for x
    x = 58,602,816.92/9,613.12
  6. Step 6: Final answer
    x = 6,096.13

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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.