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Finding the Fourth Proportional to 9,668.55, 14,506.50 and 4,985.57

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Solution

The fourth proportional to 9,668.55, 14,506.50 and 4,985.57 is: 7,480.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668.55 : 14,506.50 = 4,985.57 : x
  2. Step 2: Convert to fraction form
    9,668.55/14,506.50 = 4,985.57/x
  3. Step 3: Cross multiply
    9,668.55x = 14,506.50 × 4,985.57
  4. Step 4: Simplify right side
    9,668.55x = 72,323,226.17
  5. Step 5: Solve for x
    x = 72,323,226.17/9,668.55
  6. Step 6: Final answer
    x = 7,480.26

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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.