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Finding the Fourth Proportional to 51,662.68, 77,317.07 and 35,885.50

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Solution

The fourth proportional to 51,662.68, 77,317.07 and 35,885.50 is: 53,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,662.68 : 77,317.07 = 35,885.50 : x
  2. Step 2: Convert to fraction form
    51,662.68/77,317.07 = 35,885.50/x
  3. Step 3: Cross multiply
    51,662.68x = 77,317.07 × 35,885.50
  4. Step 4: Simplify right side
    51,662.68x = 2,774,561,715.49
  5. Step 5: Solve for x
    x = 2,774,561,715.49/51,662.68
  6. Step 6: Final answer
    x = 53,705.34

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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.