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Finding the Fourth Proportional to 32,802.41, 45,273.50 and 20,543.50

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Solution

The fourth proportional to 32,802.41, 45,273.50 and 20,543.50 is: 28,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,802.41 : 45,273.50 = 20,543.50 : x
  2. Step 2: Convert to fraction form
    32,802.41/45,273.50 = 20,543.50/x
  3. Step 3: Cross multiply
    32,802.41x = 45,273.50 × 20,543.50
  4. Step 4: Simplify right side
    32,802.41x = 930,076,123.94
  5. Step 5: Solve for x
    x = 930,076,123.94/32,802.41
  6. Step 6: Final answer
    x = 28,353.90

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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.