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Finding the Fourth Proportional to 40,737.60, 56,220.48 and 26,628.48

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Solution

The fourth proportional to 40,737.60, 56,220.48 and 26,628.48 is: 36,749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,737.60 : 56,220.48 = 26,628.48 : x
  2. Step 2: Convert to fraction form
    40,737.60/56,220.48 = 26,628.48/x
  3. Step 3: Cross multiply
    40,737.60x = 56,220.48 × 26,628.48
  4. Step 4: Simplify right side
    40,737.60x = 1,497,065,927.27
  5. Step 5: Solve for x
    x = 1,497,065,927.27/40,737.60
  6. Step 6: Final answer
    x = 36,749.00

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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.