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Finding the Fourth Proportional to 14,345.67, 21,499.07 and 6,935.39

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Solution

The fourth proportional to 14,345.67, 21,499.07 and 6,935.39 is: 10,393.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.67 : 21,499.07 = 6,935.39 : x
  2. Step 2: Convert to fraction form
    14,345.67/21,499.07 = 6,935.39/x
  3. Step 3: Cross multiply
    14,345.67x = 21,499.07 × 6,935.39
  4. Step 4: Simplify right side
    14,345.67x = 149,104,292.92
  5. Step 5: Solve for x
    x = 149,104,292.92/14,345.67
  6. Step 6: Final answer
    x = 10,393.68

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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.