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Finding the Fourth Proportional to 32,875.04, 45,341.04 and 20,934.56

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Solution

The fourth proportional to 32,875.04, 45,341.04 and 20,934.56 is: 28,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,875.04 : 45,341.04 = 20,934.56 : x
  2. Step 2: Convert to fraction form
    32,875.04/45,341.04 = 20,934.56/x
  3. Step 3: Cross multiply
    32,875.04x = 45,341.04 × 20,934.56
  4. Step 4: Simplify right side
    32,875.04x = 949,194,722.34
  5. Step 5: Solve for x
    x = 949,194,722.34/32,875.04
  6. Step 6: Final answer
    x = 28,872.81

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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.