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Finding the Fourth Proportional to 14,957.52, 20,634.66 and 8,666.52

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Solution

The fourth proportional to 14,957.52, 20,634.66 and 8,666.52 is: 11,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,957.52 : 20,634.66 = 8,666.52 : x
  2. Step 2: Convert to fraction form
    14,957.52/20,634.66 = 8,666.52/x
  3. Step 3: Cross multiply
    14,957.52x = 20,634.66 × 8,666.52
  4. Step 4: Simplify right side
    14,957.52x = 178,830,693.58
  5. Step 5: Solve for x
    x = 178,830,693.58/14,957.52
  6. Step 6: Final answer
    x = 11,955.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.