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Finding the Fourth Proportional to 18,295.95, 27,444.03 and 5,148.45

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Solution

The fourth proportional to 18,295.95, 27,444.03 and 5,148.45 is: 7,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.95 : 27,444.03 = 5,148.45 : x
  2. Step 2: Convert to fraction form
    18,295.95/27,444.03 = 5,148.45/x
  3. Step 3: Cross multiply
    18,295.95x = 27,444.03 × 5,148.45
  4. Step 4: Simplify right side
    18,295.95x = 141,294,216.25
  5. Step 5: Solve for x
    x = 141,294,216.25/18,295.95
  6. Step 6: Final answer
    x = 7,722.70

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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.