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Finding the Fourth Proportional to 10,668.60, 14,720.67 and 6,695.10

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Solution

The fourth proportional to 10,668.60, 14,720.67 and 6,695.10 is: 9,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.60 : 14,720.67 = 6,695.10 : x
  2. Step 2: Convert to fraction form
    10,668.60/14,720.67 = 6,695.10/x
  3. Step 3: Cross multiply
    10,668.60x = 14,720.67 × 6,695.10
  4. Step 4: Simplify right side
    10,668.60x = 98,556,357.72
  5. Step 5: Solve for x
    x = 98,556,357.72/10,668.60
  6. Step 6: Final answer
    x = 9,237.98

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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.