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Finding the Fourth Proportional to 53,585.66, 80,377.65 and 13,059.63

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Solution

The fourth proportional to 53,585.66, 80,377.65 and 13,059.63 is: 19,589.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,585.66 : 80,377.65 = 13,059.63 : x
  2. Step 2: Convert to fraction form
    53,585.66/80,377.65 = 13,059.63/x
  3. Step 3: Cross multiply
    53,585.66x = 80,377.65 × 13,059.63
  4. Step 4: Simplify right side
    53,585.66x = 1,049,702,369.27
  5. Step 5: Solve for x
    x = 1,049,702,369.27/53,585.66
  6. Step 6: Final answer
    x = 19,589.24

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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.