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Finding the Fourth Proportional to 62,306, 85,981.50 and 35,448.44

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Solution

The fourth proportional to 62,306, 85,981.50 and 35,448.44 is: 48,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,306 : 85,981.50 = 35,448.44 : x
  2. Step 2: Convert to fraction form
    62,306/85,981.50 = 35,448.44/x
  3. Step 3: Cross multiply
    62,306x = 85,981.50 × 35,448.44
  4. Step 4: Simplify right side
    62,306x = 3,047,910,043.86
  5. Step 5: Solve for x
    x = 3,047,910,043.86/62,306
  6. Step 6: Final answer
    x = 48,918.40

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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.