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Finding the Fourth Proportional to 62,235, 85,886.46 and 35,378.64

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Solution

The fourth proportional to 62,235, 85,886.46 and 35,378.64 is: 48,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,235 : 85,886.46 = 35,378.64 : x
  2. Step 2: Convert to fraction form
    62,235/85,886.46 = 35,378.64/x
  3. Step 3: Cross multiply
    62,235x = 85,886.46 × 35,378.64
  4. Step 4: Simplify right side
    62,235x = 3,038,546,149.21
  5. Step 5: Solve for x
    x = 3,038,546,149.21/62,235
  6. Step 6: Final answer
    x = 48,823.75

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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.