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Finding the Fourth Proportional to 52,554.80, 78,832.20 and 33,892.40

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Solution

The fourth proportional to 52,554.80, 78,832.20 and 33,892.40 is: 50,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,554.80 : 78,832.20 = 33,892.40 : x
  2. Step 2: Convert to fraction form
    52,554.80/78,832.20 = 33,892.40/x
  3. Step 3: Cross multiply
    52,554.80x = 78,832.20 × 33,892.40
  4. Step 4: Simplify right side
    52,554.80x = 2,671,812,455.28
  5. Step 5: Solve for x
    x = 2,671,812,455.28/52,554.80
  6. Step 6: Final answer
    x = 50,838.60

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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.