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Finding the Fourth Proportional to 14,248.91, 21,373.61 and 4,899.69

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Solution

The fourth proportional to 14,248.91, 21,373.61 and 4,899.69 is: 7,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.91 : 21,373.61 = 4,899.69 : x
  2. Step 2: Convert to fraction form
    14,248.91/21,373.61 = 4,899.69/x
  3. Step 3: Cross multiply
    14,248.91x = 21,373.61 × 4,899.69
  4. Step 4: Simplify right side
    14,248.91x = 104,724,038.68
  5. Step 5: Solve for x
    x = 104,724,038.68/14,248.91
  6. Step 6: Final answer
    x = 7,349.62

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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.