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Finding the Fourth Proportional to 35,736.80, 53,605.20 and 9,444.20

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Solution

The fourth proportional to 35,736.80, 53,605.20 and 9,444.20 is: 14,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,736.80 : 53,605.20 = 9,444.20 : x
  2. Step 2: Convert to fraction form
    35,736.80/53,605.20 = 9,444.20/x
  3. Step 3: Cross multiply
    35,736.80x = 53,605.20 × 9,444.20
  4. Step 4: Simplify right side
    35,736.80x = 506,258,229.84
  5. Step 5: Solve for x
    x = 506,258,229.84/35,736.80
  6. Step 6: Final answer
    x = 14,166.30

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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.