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Finding the Fourth Proportional to 30,465.88, 45,651.36 and 14,653.84

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Solution

The fourth proportional to 30,465.88, 45,651.36 and 14,653.84 is: 21,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,465.88 : 45,651.36 = 14,653.84 : x
  2. Step 2: Convert to fraction form
    30,465.88/45,651.36 = 14,653.84/x
  3. Step 3: Cross multiply
    30,465.88x = 45,651.36 × 14,653.84
  4. Step 4: Simplify right side
    30,465.88x = 668,967,725.22
  5. Step 5: Solve for x
    x = 668,967,725.22/30,465.88
  6. Step 6: Final answer
    x = 21,957.93

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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.