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Finding the Fourth Proportional to 18,282.54, 27,423.95 and 5,802.60

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Solution

The fourth proportional to 18,282.54, 27,423.95 and 5,802.60 is: 8,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.54 : 27,423.95 = 5,802.60 : x
  2. Step 2: Convert to fraction form
    18,282.54/27,423.95 = 5,802.60/x
  3. Step 3: Cross multiply
    18,282.54x = 27,423.95 × 5,802.60
  4. Step 4: Simplify right side
    18,282.54x = 159,130,183.26
  5. Step 5: Solve for x
    x = 159,130,183.26/18,282.54
  6. Step 6: Final answer
    x = 8,703.94

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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.