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Finding the Fourth Proportional to 53,543.70, 73,890.90 and 29,670.84

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Solution

The fourth proportional to 53,543.70, 73,890.90 and 29,670.84 is: 40,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,543.70 : 73,890.90 = 29,670.84 : x
  2. Step 2: Convert to fraction form
    53,543.70/73,890.90 = 29,670.84/x
  3. Step 3: Cross multiply
    53,543.70x = 73,890.90 × 29,670.84
  4. Step 4: Simplify right side
    53,543.70x = 2,192,405,071.36
  5. Step 5: Solve for x
    x = 2,192,405,071.36/53,543.70
  6. Step 6: Final answer
    x = 40,946.09

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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.