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Finding the Fourth Proportional to 18,594.78, 27,888.99 and 5,444.02

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Solution

The fourth proportional to 18,594.78, 27,888.99 and 5,444.02 is: 8,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.78 : 27,888.99 = 5,444.02 : x
  2. Step 2: Convert to fraction form
    18,594.78/27,888.99 = 5,444.02/x
  3. Step 3: Cross multiply
    18,594.78x = 27,888.99 × 5,444.02
  4. Step 4: Simplify right side
    18,594.78x = 151,828,219.34
  5. Step 5: Solve for x
    x = 151,828,219.34/18,594.78
  6. Step 6: Final answer
    x = 8,165.10

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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.