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Finding the Fourth Proportional to 32,654.72, 45,068.44 and 19,915.30

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Solution

The fourth proportional to 32,654.72, 45,068.44 and 19,915.30 is: 27,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,654.72 : 45,068.44 = 19,915.30 : x
  2. Step 2: Convert to fraction form
    32,654.72/45,068.44 = 19,915.30/x
  3. Step 3: Cross multiply
    32,654.72x = 45,068.44 × 19,915.30
  4. Step 4: Simplify right side
    32,654.72x = 897,551,228.00
  5. Step 5: Solve for x
    x = 897,551,228.00/32,654.72
  6. Step 6: Final answer
    x = 27,486.11

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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.