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Finding the Fourth Proportional to 35,338.69, 53,008.10 and 8,684.69

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Solution

The fourth proportional to 35,338.69, 53,008.10 and 8,684.69 is: 13,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,338.69 : 53,008.10 = 8,684.69 : x
  2. Step 2: Convert to fraction form
    35,338.69/53,008.10 = 8,684.69/x
  3. Step 3: Cross multiply
    35,338.69x = 53,008.10 × 8,684.69
  4. Step 4: Simplify right side
    35,338.69x = 460,358,872.57
  5. Step 5: Solve for x
    x = 460,358,872.57/35,338.69
  6. Step 6: Final answer
    x = 13,027.05

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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.