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Finding the Fourth Proportional to 14,428.83, 21,641.08 and 4,566.83

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Solution

The fourth proportional to 14,428.83, 21,641.08 and 4,566.83 is: 6,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.83 : 21,641.08 = 4,566.83 : x
  2. Step 2: Convert to fraction form
    14,428.83/21,641.08 = 4,566.83/x
  3. Step 3: Cross multiply
    14,428.83x = 21,641.08 × 4,566.83
  4. Step 4: Simplify right side
    14,428.83x = 98,831,133.38
  5. Step 5: Solve for x
    x = 98,831,133.38/14,428.83
  6. Step 6: Final answer
    x = 6,849.56

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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.