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Finding the Fourth Proportional to 58,090.40, 80,164.08 and 32,940.80

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Solution

The fourth proportional to 58,090.40, 80,164.08 and 32,940.80 is: 45,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,090.40 : 80,164.08 = 32,940.80 : x
  2. Step 2: Convert to fraction form
    58,090.40/80,164.08 = 32,940.80/x
  3. Step 3: Cross multiply
    58,090.40x = 80,164.08 × 32,940.80
  4. Step 4: Simplify right side
    58,090.40x = 2,640,668,926.46
  5. Step 5: Solve for x
    x = 2,640,668,926.46/58,090.40
  6. Step 6: Final answer
    x = 45,457.92

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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.