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Finding the Fourth Proportional to 32,999.94, 45,536.54 and 20,253.66

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Solution

The fourth proportional to 32,999.94, 45,536.54 and 20,253.66 is: 27,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,999.94 : 45,536.54 = 20,253.66 : x
  2. Step 2: Convert to fraction form
    32,999.94/45,536.54 = 20,253.66/x
  3. Step 3: Cross multiply
    32,999.94x = 45,536.54 × 20,253.66
  4. Step 4: Simplify right side
    32,999.94x = 922,281,598.74
  5. Step 5: Solve for x
    x = 922,281,598.74/32,999.94
  6. Step 6: Final answer
    x = 27,947.98

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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.