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Finding the Fourth Proportional to 50,652.80, 69,877.60 and 29,428.08

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Solution

The fourth proportional to 50,652.80, 69,877.60 and 29,428.08 is: 40,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,652.80 : 69,877.60 = 29,428.08 : x
  2. Step 2: Convert to fraction form
    50,652.80/69,877.60 = 29,428.08/x
  3. Step 3: Cross multiply
    50,652.80x = 69,877.60 × 29,428.08
  4. Step 4: Simplify right side
    50,652.80x = 2,056,363,603.01
  5. Step 5: Solve for x
    x = 2,056,363,603.01/50,652.80
  6. Step 6: Final answer
    x = 40,597.23

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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.