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Finding the Fourth Proportional to 23,920.58, 35,857.45 and 8,916.72

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Solution

The fourth proportional to 23,920.58, 35,857.45 and 8,916.72 is: 13,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,920.58 : 35,857.45 = 8,916.72 : x
  2. Step 2: Convert to fraction form
    23,920.58/35,857.45 = 8,916.72/x
  3. Step 3: Cross multiply
    23,920.58x = 35,857.45 × 8,916.72
  4. Step 4: Simplify right side
    23,920.58x = 319,730,718.24
  5. Step 5: Solve for x
    x = 319,730,718.24/23,920.58
  6. Step 6: Final answer
    x = 13,366.34

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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.