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Finding the Fourth Proportional to 11,602.80, 16,011.99 and 6,566.58

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Solution

The fourth proportional to 11,602.80, 16,011.99 and 6,566.58 is: 9,061.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.80 : 16,011.99 = 6,566.58 : x
  2. Step 2: Convert to fraction form
    11,602.80/16,011.99 = 6,566.58/x
  3. Step 3: Cross multiply
    11,602.80x = 16,011.99 × 6,566.58
  4. Step 4: Simplify right side
    11,602.80x = 105,144,013.29
  5. Step 5: Solve for x
    x = 105,144,013.29/11,602.80
  6. Step 6: Final answer
    x = 9,061.95

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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.