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Finding the Fourth Proportional to 46,980.86, 70,464.46 and 13,691.99

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Solution

The fourth proportional to 46,980.86, 70,464.46 and 13,691.99 is: 20,535.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,980.86 : 70,464.46 = 13,691.99 : x
  2. Step 2: Convert to fraction form
    46,980.86/70,464.46 = 13,691.99/x
  3. Step 3: Cross multiply
    46,980.86x = 70,464.46 × 13,691.99
  4. Step 4: Simplify right side
    46,980.86x = 964,798,414.41
  5. Step 5: Solve for x
    x = 964,798,414.41/46,980.86
  6. Step 6: Final answer
    x = 20,535.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.