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Finding the Fourth Proportional to 49,710.80, 74,566.20 and 14,650.40

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Solution

The fourth proportional to 49,710.80, 74,566.20 and 14,650.40 is: 21,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,710.80 : 74,566.20 = 14,650.40 : x
  2. Step 2: Convert to fraction form
    49,710.80/74,566.20 = 14,650.40/x
  3. Step 3: Cross multiply
    49,710.80x = 74,566.20 × 14,650.40
  4. Step 4: Simplify right side
    49,710.80x = 1,092,424,656.48
  5. Step 5: Solve for x
    x = 1,092,424,656.48/49,710.80
  6. Step 6: Final answer
    x = 21,975.60

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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.