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Finding the Fourth Proportional to 14,510.66, 21,774.18 and 6,189.89

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Solution

The fourth proportional to 14,510.66, 21,774.18 and 6,189.89 is: 9,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.66 : 21,774.18 = 6,189.89 : x
  2. Step 2: Convert to fraction form
    14,510.66/21,774.18 = 6,189.89/x
  3. Step 3: Cross multiply
    14,510.66x = 21,774.18 × 6,189.89
  4. Step 4: Simplify right side
    14,510.66x = 134,779,693.38
  5. Step 5: Solve for x
    x = 134,779,693.38/14,510.66
  6. Step 6: Final answer
    x = 9,288.33

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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.