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Finding the Fourth Proportional to 15,307.79, 22,948.92 and 10,636.87

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Solution

The fourth proportional to 15,307.79, 22,948.92 and 10,636.87 is: 15,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.79 : 22,948.92 = 10,636.87 : x
  2. Step 2: Convert to fraction form
    15,307.79/22,948.92 = 10,636.87/x
  3. Step 3: Cross multiply
    15,307.79x = 22,948.92 × 10,636.87
  4. Step 4: Simplify right side
    15,307.79x = 244,104,664.34
  5. Step 5: Solve for x
    x = 244,104,664.34/15,307.79
  6. Step 6: Final answer
    x = 15,946.44

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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.