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Finding the Fourth Proportional to 15,950.00, 22,010.69 and 9,984.96

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Solution

The fourth proportional to 15,950.00, 22,010.69 and 9,984.96 is: 13,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.00 : 22,010.69 = 9,984.96 : x
  2. Step 2: Convert to fraction form
    15,950.00/22,010.69 = 9,984.96/x
  3. Step 3: Cross multiply
    15,950.00x = 22,010.69 × 9,984.96
  4. Step 4: Simplify right side
    15,950.00x = 219,775,884.18
  5. Step 5: Solve for x
    x = 219,775,884.18/15,950.00
  6. Step 6: Final answer
    x = 13,779.05

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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.