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Finding the Fourth Proportional to 58,484.28, 80,706.48 and 32,990.28

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Solution

The fourth proportional to 58,484.28, 80,706.48 and 32,990.28 is: 45,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,484.28 : 80,706.48 = 32,990.28 : x
  2. Step 2: Convert to fraction form
    58,484.28/80,706.48 = 32,990.28/x
  3. Step 3: Cross multiply
    58,484.28x = 80,706.48 × 32,990.28
  4. Step 4: Simplify right side
    58,484.28x = 2,662,529,373.01
  5. Step 5: Solve for x
    x = 2,662,529,373.01/58,484.28
  6. Step 6: Final answer
    x = 45,525.56

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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.