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Finding the Fourth Proportional to 35,056.80, 52,457.20 and 25,840.80

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Solution

The fourth proportional to 35,056.80, 52,457.20 and 25,840.80 is: 38,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,056.80 : 52,457.20 = 25,840.80 : x
  2. Step 2: Convert to fraction form
    35,056.80/52,457.20 = 25,840.80/x
  3. Step 3: Cross multiply
    35,056.80x = 52,457.20 × 25,840.80
  4. Step 4: Simplify right side
    35,056.80x = 1,355,536,013.76
  5. Step 5: Solve for x
    x = 1,355,536,013.76/35,056.80
  6. Step 6: Final answer
    x = 38,666.85

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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.