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Finding the Fourth Proportional to 14,565.95, 21,801.94 and 7,536.29

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Solution

The fourth proportional to 14,565.95, 21,801.94 and 7,536.29 is: 11,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565.95 : 21,801.94 = 7,536.29 : x
  2. Step 2: Convert to fraction form
    14,565.95/21,801.94 = 7,536.29/x
  3. Step 3: Cross multiply
    14,565.95x = 21,801.94 × 7,536.29
  4. Step 4: Simplify right side
    14,565.95x = 164,305,742.40
  5. Step 5: Solve for x
    x = 164,305,742.40/14,565.95
  6. Step 6: Final answer
    x = 11,280.13

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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.