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Finding the Fourth Proportional to 13,062.52, 19,594.51 and 4,178.63

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Solution

The fourth proportional to 13,062.52, 19,594.51 and 4,178.63 is: 6,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.52 : 19,594.51 = 4,178.63 : x
  2. Step 2: Convert to fraction form
    13,062.52/19,594.51 = 4,178.63/x
  3. Step 3: Cross multiply
    13,062.52x = 19,594.51 × 4,178.63
  4. Step 4: Simplify right side
    13,062.52x = 81,878,207.32
  5. Step 5: Solve for x
    x = 81,878,207.32/13,062.52
  6. Step 6: Final answer
    x = 6,268.18

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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.