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Finding the Fourth Proportional to 61,312.56, 84,611.62 and 35,820.37

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Solution

The fourth proportional to 61,312.56, 84,611.62 and 35,820.37 is: 49,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,312.56 : 84,611.62 = 35,820.37 : x
  2. Step 2: Convert to fraction form
    61,312.56/84,611.62 = 35,820.37/x
  3. Step 3: Cross multiply
    61,312.56x = 84,611.62 × 35,820.37
  4. Step 4: Simplify right side
    61,312.56x = 3,030,819,534.70
  5. Step 5: Solve for x
    x = 3,030,819,534.70/61,312.56
  6. Step 6: Final answer
    x = 49,432.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.