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Finding the Fourth Proportional to 10,677.62, 14,741.26 and 7,097.42

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Solution

The fourth proportional to 10,677.62, 14,741.26 and 7,097.42 is: 9,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677.62 : 14,741.26 = 7,097.42 : x
  2. Step 2: Convert to fraction form
    10,677.62/14,741.26 = 7,097.42/x
  3. Step 3: Cross multiply
    10,677.62x = 14,741.26 × 7,097.42
  4. Step 4: Simplify right side
    10,677.62x = 104,624,913.55
  5. Step 5: Solve for x
    x = 104,624,913.55/10,677.62
  6. Step 6: Final answer
    x = 9,798.52

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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.