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Finding the Fourth Proportional to 15,124.36, 22,690.86 and 6,354.76

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Solution

The fourth proportional to 15,124.36, 22,690.86 and 6,354.76 is: 9,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124.36 : 22,690.86 = 6,354.76 : x
  2. Step 2: Convert to fraction form
    15,124.36/22,690.86 = 6,354.76/x
  3. Step 3: Cross multiply
    15,124.36x = 22,690.86 × 6,354.76
  4. Step 4: Simplify right side
    15,124.36x = 144,194,969.49
  5. Step 5: Solve for x
    x = 144,194,969.49/15,124.36
  6. Step 6: Final answer
    x = 9,533.96

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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.