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Finding the Fourth Proportional to 15,252.90, 22,875.30 and 4,722.90

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Solution

The fourth proportional to 15,252.90, 22,875.30 and 4,722.90 is: 7,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,252.90 : 22,875.30 = 4,722.90 : x
  2. Step 2: Convert to fraction form
    15,252.90/22,875.30 = 4,722.90/x
  3. Step 3: Cross multiply
    15,252.90x = 22,875.30 × 4,722.90
  4. Step 4: Simplify right side
    15,252.90x = 108,037,754.37
  5. Step 5: Solve for x
    x = 108,037,754.37/15,252.90
  6. Step 6: Final answer
    x = 7,083.10

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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.