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Finding the Fourth Proportional to 19,677.63, 27,152.01 and 11,062.11

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Solution

The fourth proportional to 19,677.63, 27,152.01 and 11,062.11 is: 15,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.63 : 27,152.01 = 11,062.11 : x
  2. Step 2: Convert to fraction form
    19,677.63/27,152.01 = 11,062.11/x
  3. Step 3: Cross multiply
    19,677.63x = 27,152.01 × 11,062.11
  4. Step 4: Simplify right side
    19,677.63x = 300,358,521.34
  5. Step 5: Solve for x
    x = 300,358,521.34/19,677.63
  6. Step 6: Final answer
    x = 15,263.96

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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.