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Finding the Fourth Proportional to 52,803.67, 79,205.67 and 13,360.78

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Solution

The fourth proportional to 52,803.67, 79,205.67 and 13,360.78 is: 20,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,803.67 : 79,205.67 = 13,360.78 : x
  2. Step 2: Convert to fraction form
    52,803.67/79,205.67 = 13,360.78/x
  3. Step 3: Cross multiply
    52,803.67x = 79,205.67 × 13,360.78
  4. Step 4: Simplify right side
    52,803.67x = 1,058,249,068.79
  5. Step 5: Solve for x
    x = 1,058,249,068.79/52,803.67
  6. Step 6: Final answer
    x = 20,041.20

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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.