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Finding the Fourth Proportional to 18,483.24, 25,509.24 and 10,528.32

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Solution

The fourth proportional to 18,483.24, 25,509.24 and 10,528.32 is: 14,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.24 : 25,509.24 = 10,528.32 : x
  2. Step 2: Convert to fraction form
    18,483.24/25,509.24 = 10,528.32/x
  3. Step 3: Cross multiply
    18,483.24x = 25,509.24 × 10,528.32
  4. Step 4: Simplify right side
    18,483.24x = 268,569,441.68
  5. Step 5: Solve for x
    x = 268,569,441.68/18,483.24
  6. Step 6: Final answer
    x = 14,530.43

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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.