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Finding the Fourth Proportional to 29,689.59, 40,951.93 and 19,092.63

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Solution

The fourth proportional to 29,689.59, 40,951.93 and 19,092.63 is: 26,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,689.59 : 40,951.93 = 19,092.63 : x
  2. Step 2: Convert to fraction form
    29,689.59/40,951.93 = 19,092.63/x
  3. Step 3: Cross multiply
    29,689.59x = 40,951.93 × 19,092.63
  4. Step 4: Simplify right side
    29,689.59x = 781,880,047.28
  5. Step 5: Solve for x
    x = 781,880,047.28/29,689.59
  6. Step 6: Final answer
    x = 26,335.16

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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.