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Finding the Fourth Proportional to 12,595.54, 18,968.28 and 10,971.68

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Solution

The fourth proportional to 12,595.54, 18,968.28 and 10,971.68 is: 16,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.54 : 18,968.28 = 10,971.68 : x
  2. Step 2: Convert to fraction form
    12,595.54/18,968.28 = 10,971.68/x
  3. Step 3: Cross multiply
    12,595.54x = 18,968.28 × 10,971.68
  4. Step 4: Simplify right side
    12,595.54x = 208,113,898.31
  5. Step 5: Solve for x
    x = 208,113,898.31/12,595.54
  6. Step 6: Final answer
    x = 16,522.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.