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Finding the Fourth Proportional to 18,510.64, 27,767.32 and 6,029.72

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Solution

The fourth proportional to 18,510.64, 27,767.32 and 6,029.72 is: 9,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.64 : 27,767.32 = 6,029.72 : x
  2. Step 2: Convert to fraction form
    18,510.64/27,767.32 = 6,029.72/x
  3. Step 3: Cross multiply
    18,510.64x = 27,767.32 × 6,029.72
  4. Step 4: Simplify right side
    18,510.64x = 167,429,164.75
  5. Step 5: Solve for x
    x = 167,429,164.75/18,510.64
  6. Step 6: Final answer
    x = 9,045.02

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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.