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Finding the Fourth Proportional to 49,014.60, 73,485.90 and 19,417.80

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Solution

The fourth proportional to 49,014.60, 73,485.90 and 19,417.80 is: 29,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,014.60 : 73,485.90 = 19,417.80 : x
  2. Step 2: Convert to fraction form
    49,014.60/73,485.90 = 19,417.80/x
  3. Step 3: Cross multiply
    49,014.60x = 73,485.90 × 19,417.80
  4. Step 4: Simplify right side
    49,014.60x = 1,426,934,509.02
  5. Step 5: Solve for x
    x = 1,426,934,509.02/49,014.60
  6. Step 6: Final answer
    x = 29,112.44

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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.