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Finding the Fourth Proportional to 25,483.77, 38,228.67 and 12,326.67

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Solution

The fourth proportional to 25,483.77, 38,228.67 and 12,326.67 is: 18,491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,483.77 : 38,228.67 = 12,326.67 : x
  2. Step 2: Convert to fraction form
    25,483.77/38,228.67 = 12,326.67/x
  3. Step 3: Cross multiply
    25,483.77x = 38,228.67 × 12,326.67
  4. Step 4: Simplify right side
    25,483.77x = 471,232,199.63
  5. Step 5: Solve for x
    x = 471,232,199.63/25,483.77
  6. Step 6: Final answer
    x = 18,491.46

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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.