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Finding the Fourth Proportional to 32,470.94, 44,804.94 and 20,550.58

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Solution

The fourth proportional to 32,470.94, 44,804.94 and 20,550.58 is: 28,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,470.94 : 44,804.94 = 20,550.58 : x
  2. Step 2: Convert to fraction form
    32,470.94/44,804.94 = 20,550.58/x
  3. Step 3: Cross multiply
    32,470.94x = 44,804.94 × 20,550.58
  4. Step 4: Simplify right side
    32,470.94x = 920,767,279.84
  5. Step 5: Solve for x
    x = 920,767,279.84/32,470.94
  6. Step 6: Final answer
    x = 28,356.66

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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.