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Finding the Fourth Proportional to 53,424.55, 73,722.72 and 29,549.80

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Solution

The fourth proportional to 53,424.55, 73,722.72 and 29,549.80 is: 40,776.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,424.55 : 73,722.72 = 29,549.80 : x
  2. Step 2: Convert to fraction form
    53,424.55/73,722.72 = 29,549.80/x
  3. Step 3: Cross multiply
    53,424.55x = 73,722.72 × 29,549.80
  4. Step 4: Simplify right side
    53,424.55x = 2,178,491,631.46
  5. Step 5: Solve for x
    x = 2,178,491,631.46/53,424.55
  6. Step 6: Final answer
    x = 40,776.98

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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.