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Finding the Fourth Proportional to 8,373.99, 12,570.21 and 4,867.95

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Solution

The fourth proportional to 8,373.99, 12,570.21 and 4,867.95 is: 7,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.99 : 12,570.21 = 4,867.95 : x
  2. Step 2: Convert to fraction form
    8,373.99/12,570.21 = 4,867.95/x
  3. Step 3: Cross multiply
    8,373.99x = 12,570.21 × 4,867.95
  4. Step 4: Simplify right side
    8,373.99x = 61,191,153.77
  5. Step 5: Solve for x
    x = 61,191,153.77/8,373.99
  6. Step 6: Final answer
    x = 7,307.29

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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.