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Finding the Fourth Proportional to 19,016.51, 28,528.50 and 6,533.51

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Solution

The fourth proportional to 19,016.51, 28,528.50 and 6,533.51 is: 9,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.51 : 28,528.50 = 6,533.51 : x
  2. Step 2: Convert to fraction form
    19,016.51/28,528.50 = 6,533.51/x
  3. Step 3: Cross multiply
    19,016.51x = 28,528.50 × 6,533.51
  4. Step 4: Simplify right side
    19,016.51x = 186,391,097.39
  5. Step 5: Solve for x
    x = 186,391,097.39/19,016.51
  6. Step 6: Final answer
    x = 9,801.54

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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.