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Finding the Fourth Proportional to 62,238.64, 85,894.48 and 35,389.60

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Solution

The fourth proportional to 62,238.64, 85,894.48 and 35,389.60 is: 48,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,238.64 : 85,894.48 = 35,389.60 : x
  2. Step 2: Convert to fraction form
    62,238.64/85,894.48 = 35,389.60/x
  3. Step 3: Cross multiply
    62,238.64x = 85,894.48 × 35,389.60
  4. Step 4: Simplify right side
    62,238.64x = 3,039,771,289.41
  5. Step 5: Solve for x
    x = 3,039,771,289.41/62,238.64
  6. Step 6: Final answer
    x = 48,840.58

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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.