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Finding the Fourth Proportional to 17,893.56, 24,689.52 and 10,820.40

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Solution

The fourth proportional to 17,893.56, 24,689.52 and 10,820.40 is: 14,929.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,893.56 : 24,689.52 = 10,820.40 : x
  2. Step 2: Convert to fraction form
    17,893.56/24,689.52 = 10,820.40/x
  3. Step 3: Cross multiply
    17,893.56x = 24,689.52 × 10,820.40
  4. Step 4: Simplify right side
    17,893.56x = 267,150,482.21
  5. Step 5: Solve for x
    x = 267,150,482.21/17,893.56
  6. Step 6: Final answer
    x = 14,929.98

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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.