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Finding the Fourth Proportional to 35,534.80, 53,431.80 and 29,832.40

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Solution

The fourth proportional to 35,534.80, 53,431.80 and 29,832.40 is: 44,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,534.80 : 53,431.80 = 29,832.40 : x
  2. Step 2: Convert to fraction form
    35,534.80/53,431.80 = 29,832.40/x
  3. Step 3: Cross multiply
    35,534.80x = 53,431.80 × 29,832.40
  4. Step 4: Simplify right side
    35,534.80x = 1,593,998,830.32
  5. Step 5: Solve for x
    x = 1,593,998,830.32/35,534.80
  6. Step 6: Final answer
    x = 44,857.40

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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.