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Finding the Fourth Proportional to 19,047.84, 28,573.64 and 6,566.22

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Solution

The fourth proportional to 19,047.84, 28,573.64 and 6,566.22 is: 9,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.84 : 28,573.64 = 6,566.22 : x
  2. Step 2: Convert to fraction form
    19,047.84/28,573.64 = 6,566.22/x
  3. Step 3: Cross multiply
    19,047.84x = 28,573.64 × 6,566.22
  4. Step 4: Simplify right side
    19,047.84x = 187,620,917.70
  5. Step 5: Solve for x
    x = 187,620,917.70/19,047.84
  6. Step 6: Final answer
    x = 9,849.98

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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.