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Finding the Fourth Proportional to 68,606.10, 102,916.71 and 21,848.22

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Solution

The fourth proportional to 68,606.10, 102,916.71 and 21,848.22 is: 32,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,606.10 : 102,916.71 = 21,848.22 : x
  2. Step 2: Convert to fraction form
    68,606.10/102,916.71 = 21,848.22/x
  3. Step 3: Cross multiply
    68,606.10x = 102,916.71 × 21,848.22
  4. Step 4: Simplify right side
    68,606.10x = 2,248,546,921.76
  5. Step 5: Solve for x
    x = 2,248,546,921.76/68,606.10
  6. Step 6: Final answer
    x = 32,774.74

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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.