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Finding the Fourth Proportional to 8,929.49, 13,394.65 and 7,366.60

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Solution

The fourth proportional to 8,929.49, 13,394.65 and 7,366.60 is: 11,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.49 : 13,394.65 = 7,366.60 : x
  2. Step 2: Convert to fraction form
    8,929.49/13,394.65 = 7,366.60/x
  3. Step 3: Cross multiply
    8,929.49x = 13,394.65 × 7,366.60
  4. Step 4: Simplify right side
    8,929.49x = 98,672,965.48
  5. Step 5: Solve for x
    x = 98,672,965.48/8,929.49
  6. Step 6: Final answer
    x = 11,050.23

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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.