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Finding the Fourth Proportional to 51,210.22, 76,815.22 and 14,274.22

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Solution

The fourth proportional to 51,210.22, 76,815.22 and 14,274.22 is: 21,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,210.22 : 76,815.22 = 14,274.22 : x
  2. Step 2: Convert to fraction form
    51,210.22/76,815.22 = 14,274.22/x
  3. Step 3: Cross multiply
    51,210.22x = 76,815.22 × 14,274.22
  4. Step 4: Simplify right side
    51,210.22x = 1,096,477,349.63
  5. Step 5: Solve for x
    x = 1,096,477,349.63/51,210.22
  6. Step 6: Final answer
    x = 21,411.30

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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.