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Finding the Fourth Proportional to 18,558.52, 27,830.93 and 8,030.07

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Solution

The fourth proportional to 18,558.52, 27,830.93 and 8,030.07 is: 12,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.52 : 27,830.93 = 8,030.07 : x
  2. Step 2: Convert to fraction form
    18,558.52/27,830.93 = 8,030.07/x
  3. Step 3: Cross multiply
    18,558.52x = 27,830.93 × 8,030.07
  4. Step 4: Simplify right side
    18,558.52x = 223,484,275.91
  5. Step 5: Solve for x
    x = 223,484,275.91/18,558.52
  6. Step 6: Final answer
    x = 12,042.14

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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.