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Finding the Fourth Proportional to 19,594.90, 27,041.16 and 10,642.42

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Solution

The fourth proportional to 19,594.90, 27,041.16 and 10,642.42 is: 14,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,594.90 : 27,041.16 = 10,642.42 : x
  2. Step 2: Convert to fraction form
    19,594.90/27,041.16 = 10,642.42/x
  3. Step 3: Cross multiply
    19,594.90x = 27,041.16 × 10,642.42
  4. Step 4: Simplify right side
    19,594.90x = 287,783,382.01
  5. Step 5: Solve for x
    x = 287,783,382.01/19,594.90
  6. Step 6: Final answer
    x = 14,686.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.