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Finding the Fourth Proportional to 61,803.95, 85,276.89 and 36,314.46

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Solution

The fourth proportional to 61,803.95, 85,276.89 and 36,314.46 is: 50,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,803.95 : 85,276.89 = 36,314.46 : x
  2. Step 2: Convert to fraction form
    61,803.95/85,276.89 = 36,314.46/x
  3. Step 3: Cross multiply
    61,803.95x = 85,276.89 × 36,314.46
  4. Step 4: Simplify right side
    61,803.95x = 3,096,784,210.83
  5. Step 5: Solve for x
    x = 3,096,784,210.83/61,803.95
  6. Step 6: Final answer
    x = 50,106.58

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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.