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Finding the Fourth Proportional to 35,443.98, 53,187.84 and 19,661.13

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Solution

The fourth proportional to 35,443.98, 53,187.84 and 19,661.13 is: 29,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,443.98 : 53,187.84 = 19,661.13 : x
  2. Step 2: Convert to fraction form
    35,443.98/53,187.84 = 19,661.13/x
  3. Step 3: Cross multiply
    35,443.98x = 53,187.84 × 19,661.13
  4. Step 4: Simplify right side
    35,443.98x = 1,045,733,036.66
  5. Step 5: Solve for x
    x = 1,045,733,036.66/35,443.98
  6. Step 6: Final answer
    x = 29,503.83

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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.