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Finding the Fourth Proportional to 61,685.35, 92,532.58 and 54,340.67

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Solution

The fourth proportional to 61,685.35, 92,532.58 and 54,340.67 is: 81,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,685.35 : 92,532.58 = 54,340.67 : x
  2. Step 2: Convert to fraction form
    61,685.35/92,532.58 = 54,340.67/x
  3. Step 3: Cross multiply
    61,685.35x = 92,532.58 × 54,340.67
  4. Step 4: Simplify right side
    61,685.35x = 5,028,282,489.51
  5. Step 5: Solve for x
    x = 5,028,282,489.51/61,685.35
  6. Step 6: Final answer
    x = 81,515.02

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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.