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Finding the Fourth Proportional to 61,925.63, 85,479.15 and 36,774.95

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Solution

The fourth proportional to 61,925.63, 85,479.15 and 36,774.95 is: 50,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,925.63 : 85,479.15 = 36,774.95 : x
  2. Step 2: Convert to fraction form
    61,925.63/85,479.15 = 36,774.95/x
  3. Step 3: Cross multiply
    61,925.63x = 85,479.15 × 36,774.95
  4. Step 4: Simplify right side
    61,925.63x = 3,143,491,039.90
  5. Step 5: Solve for x
    x = 3,143,491,039.90/61,925.63
  6. Step 6: Final answer
    x = 50,762.36

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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.