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Finding the Fourth Proportional to 14,567.51, 21,857.90 and 7,067.02

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Solution

The fourth proportional to 14,567.51, 21,857.90 and 7,067.02 is: 10,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.51 : 21,857.90 = 7,067.02 : x
  2. Step 2: Convert to fraction form
    14,567.51/21,857.90 = 7,067.02/x
  3. Step 3: Cross multiply
    14,567.51x = 21,857.90 × 7,067.02
  4. Step 4: Simplify right side
    14,567.51x = 154,470,216.46
  5. Step 5: Solve for x
    x = 154,470,216.46/14,567.51
  6. Step 6: Final answer
    x = 10,603.75

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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.