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Finding the Fourth Proportional to 13,595.87, 18,762.23 and 7,627.53

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Solution

The fourth proportional to 13,595.87, 18,762.23 and 7,627.53 is: 10,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.87 : 18,762.23 = 7,627.53 : x
  2. Step 2: Convert to fraction form
    13,595.87/18,762.23 = 7,627.53/x
  3. Step 3: Cross multiply
    13,595.87x = 18,762.23 × 7,627.53
  4. Step 4: Simplify right side
    13,595.87x = 143,109,434.05
  5. Step 5: Solve for x
    x = 143,109,434.05/13,595.87
  6. Step 6: Final answer
    x = 10,525.95

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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.