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Finding the Fourth Proportional to 50,312.64, 75,479.84 and 15,254.88

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Solution

The fourth proportional to 50,312.64, 75,479.84 and 15,254.88 is: 22,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,312.64 : 75,479.84 = 15,254.88 : x
  2. Step 2: Convert to fraction form
    50,312.64/75,479.84 = 15,254.88/x
  3. Step 3: Cross multiply
    50,312.64x = 75,479.84 × 15,254.88
  4. Step 4: Simplify right side
    50,312.64x = 1,151,435,901.62
  5. Step 5: Solve for x
    x = 1,151,435,901.62/50,312.64
  6. Step 6: Final answer
    x = 22,885.62

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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.