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Finding the Fourth Proportional to 15,275.63, 22,916.90 and 6,953.42

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Solution

The fourth proportional to 15,275.63, 22,916.90 and 6,953.42 is: 10,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275.63 : 22,916.90 = 6,953.42 : x
  2. Step 2: Convert to fraction form
    15,275.63/22,916.90 = 6,953.42/x
  3. Step 3: Cross multiply
    15,275.63x = 22,916.90 × 6,953.42
  4. Step 4: Simplify right side
    15,275.63x = 159,350,905.47
  5. Step 5: Solve for x
    x = 159,350,905.47/15,275.63
  6. Step 6: Final answer
    x = 10,431.71

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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.