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Finding the Fourth Proportional to 18,624.90, 27,937.11 and 4,585.10

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Solution

The fourth proportional to 18,624.90, 27,937.11 and 4,585.10 is: 6,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.90 : 27,937.11 = 4,585.10 : x
  2. Step 2: Convert to fraction form
    18,624.90/27,937.11 = 4,585.10/x
  3. Step 3: Cross multiply
    18,624.90x = 27,937.11 × 4,585.10
  4. Step 4: Simplify right side
    18,624.90x = 128,094,443.06
  5. Step 5: Solve for x
    x = 128,094,443.06/18,624.90
  6. Step 6: Final answer
    x = 6,877.59

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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.