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Finding the Fourth Proportional to 14,355.93, 21,536.47 and 5,917.74

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Solution

The fourth proportional to 14,355.93, 21,536.47 and 5,917.74 is: 8,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.93 : 21,536.47 = 5,917.74 : x
  2. Step 2: Convert to fraction form
    14,355.93/21,536.47 = 5,917.74/x
  3. Step 3: Cross multiply
    14,355.93x = 21,536.47 × 5,917.74
  4. Step 4: Simplify right side
    14,355.93x = 127,447,156.61
  5. Step 5: Solve for x
    x = 127,447,156.61/14,355.93
  6. Step 6: Final answer
    x = 8,877.66

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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.