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Finding the Fourth Proportional to 53,487.44, 73,812.63 and 29,615.63

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Solution

The fourth proportional to 53,487.44, 73,812.63 and 29,615.63 is: 40,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,487.44 : 73,812.63 = 29,615.63 : x
  2. Step 2: Convert to fraction form
    53,487.44/73,812.63 = 29,615.63/x
  3. Step 3: Cross multiply
    53,487.44x = 73,812.63 × 29,615.63
  4. Step 4: Simplify right side
    53,487.44x = 2,186,007,281.40
  5. Step 5: Solve for x
    x = 2,186,007,281.40/53,487.44
  6. Step 6: Final answer
    x = 40,869.54

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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.