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Finding the Fourth Proportional to 40,614.80, 56,048.04 and 22,709.60

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Solution

The fourth proportional to 40,614.80, 56,048.04 and 22,709.60 is: 31,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,614.80 : 56,048.04 = 22,709.60 : x
  2. Step 2: Convert to fraction form
    40,614.80/56,048.04 = 22,709.60/x
  3. Step 3: Cross multiply
    40,614.80x = 56,048.04 × 22,709.60
  4. Step 4: Simplify right side
    40,614.80x = 1,272,828,569.18
  5. Step 5: Solve for x
    x = 1,272,828,569.18/40,614.80
  6. Step 6: Final answer
    x = 31,339.03

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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.