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Finding the Fourth Proportional to 19,036.44, 28,564.08 and 9,184.08

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Solution

The fourth proportional to 19,036.44, 28,564.08 and 9,184.08 is: 13,780.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.44 : 28,564.08 = 9,184.08 : x
  2. Step 2: Convert to fraction form
    19,036.44/28,564.08 = 9,184.08/x
  3. Step 3: Cross multiply
    19,036.44x = 28,564.08 × 9,184.08
  4. Step 4: Simplify right side
    19,036.44x = 262,334,795.85
  5. Step 5: Solve for x
    x = 262,334,795.85/19,036.44
  6. Step 6: Final answer
    x = 13,780.66

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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.