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Finding the Fourth Proportional to 53,808.55, 80,712.91 and 25,722.01

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Solution

The fourth proportional to 53,808.55, 80,712.91 and 25,722.01 is: 38,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,808.55 : 80,712.91 = 25,722.01 : x
  2. Step 2: Convert to fraction form
    53,808.55/80,712.91 = 25,722.01/x
  3. Step 3: Cross multiply
    53,808.55x = 80,712.91 × 25,722.01
  4. Step 4: Simplify right side
    53,808.55x = 2,076,097,812.50
  5. Step 5: Solve for x
    x = 2,076,097,812.50/53,808.55
  6. Step 6: Final answer
    x = 38,583.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.