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Finding the Fourth Proportional to 35,911.69, 53,867.53 and 9,615.85

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Solution

The fourth proportional to 35,911.69, 53,867.53 and 9,615.85 is: 14,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.69 : 53,867.53 = 9,615.85 : x
  2. Step 2: Convert to fraction form
    35,911.69/53,867.53 = 9,615.85/x
  3. Step 3: Cross multiply
    35,911.69x = 53,867.53 × 9,615.85
  4. Step 4: Simplify right side
    35,911.69x = 517,981,965.70
  5. Step 5: Solve for x
    x = 517,981,965.70/35,911.69
  6. Step 6: Final answer
    x = 14,423.77

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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.