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Finding the Fourth Proportional to 10,214.60, 14,329.60 and 10,214.60

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Solution

The fourth proportional to 10,214.60, 14,329.60 and 10,214.60 is: 14,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.60 : 14,329.60 = 10,214.60 : x
  2. Step 2: Convert to fraction form
    10,214.60/14,329.60 = 10,214.60/x
  3. Step 3: Cross multiply
    10,214.60x = 14,329.60 × 10,214.60
  4. Step 4: Simplify right side
    10,214.60x = 146,371,132.16
  5. Step 5: Solve for x
    x = 146,371,132.16/10,214.60
  6. Step 6: Final answer
    x = 14,329.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.