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Finding the Fourth Proportional to 18,552.90, 27,823.80 and 9,783.03

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Solution

The fourth proportional to 18,552.90, 27,823.80 and 9,783.03 is: 14,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.90 : 27,823.80 = 9,783.03 : x
  2. Step 2: Convert to fraction form
    18,552.90/27,823.80 = 9,783.03/x
  3. Step 3: Cross multiply
    18,552.90x = 27,823.80 × 9,783.03
  4. Step 4: Simplify right side
    18,552.90x = 272,201,070.11
  5. Step 5: Solve for x
    x = 272,201,070.11/18,552.90
  6. Step 6: Final answer
    x = 14,671.62

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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.