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Finding the Fourth Proportional to 10,604, 14,625.60 and 8,934.56

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Solution

The fourth proportional to 10,604, 14,625.60 and 8,934.56 is: 12,323.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604 : 14,625.60 = 8,934.56 : x
  2. Step 2: Convert to fraction form
    10,604/14,625.60 = 8,934.56/x
  3. Step 3: Cross multiply
    10,604x = 14,625.60 × 8,934.56
  4. Step 4: Simplify right side
    10,604x = 130,673,300.74
  5. Step 5: Solve for x
    x = 130,673,300.74/10,604
  6. Step 6: Final answer
    x = 12,323.02

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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.