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Finding the Fourth Proportional to 13,592, 18,752.28 and 7,925.12

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Solution

The fourth proportional to 13,592, 18,752.28 and 7,925.12 is: 10,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592 : 18,752.28 = 7,925.12 : x
  2. Step 2: Convert to fraction form
    13,592/18,752.28 = 7,925.12/x
  3. Step 3: Cross multiply
    13,592x = 18,752.28 × 7,925.12
  4. Step 4: Simplify right side
    13,592x = 148,614,069.27
  5. Step 5: Solve for x
    x = 148,614,069.27/13,592
  6. Step 6: Final answer
    x = 10,933.94

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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.