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Finding the Fourth Proportional to 11,703.45, 17,566.11 and 7,307.58

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Solution

The fourth proportional to 11,703.45, 17,566.11 and 7,307.58 is: 10,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.45 : 17,566.11 = 7,307.58 : x
  2. Step 2: Convert to fraction form
    11,703.45/17,566.11 = 7,307.58/x
  3. Step 3: Cross multiply
    11,703.45x = 17,566.11 × 7,307.58
  4. Step 4: Simplify right side
    11,703.45x = 128,365,754.11
  5. Step 5: Solve for x
    x = 128,365,754.11/11,703.45
  6. Step 6: Final answer
    x = 10,968.20

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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.