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Finding the Fourth Proportional to 61,948.86, 85,509.54 and 36,453.84

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Solution

The fourth proportional to 61,948.86, 85,509.54 and 36,453.84 is: 50,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,948.86 : 85,509.54 = 36,453.84 : x
  2. Step 2: Convert to fraction form
    61,948.86/85,509.54 = 36,453.84/x
  3. Step 3: Cross multiply
    61,948.86x = 85,509.54 × 36,453.84
  4. Step 4: Simplify right side
    61,948.86x = 3,117,151,089.63
  5. Step 5: Solve for x
    x = 3,117,151,089.63/61,948.86
  6. Step 6: Final answer
    x = 50,318.13

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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.