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Finding the Fourth Proportional to 19,473.88, 29,210.82 and 15,585.88

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Solution

The fourth proportional to 19,473.88, 29,210.82 and 15,585.88 is: 23,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473.88 : 29,210.82 = 15,585.88 : x
  2. Step 2: Convert to fraction form
    19,473.88/29,210.82 = 15,585.88/x
  3. Step 3: Cross multiply
    19,473.88x = 29,210.82 × 15,585.88
  4. Step 4: Simplify right side
    19,473.88x = 455,276,335.22
  5. Step 5: Solve for x
    x = 455,276,335.22/19,473.88
  6. Step 6: Final answer
    x = 23,378.82

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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.