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Finding the Fourth Proportional to 8,038.40, 12,059.02 and 2,773.00

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Solution

The fourth proportional to 8,038.40, 12,059.02 and 2,773.00 is: 4,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.40 : 12,059.02 = 2,773.00 : x
  2. Step 2: Convert to fraction form
    8,038.40/12,059.02 = 2,773.00/x
  3. Step 3: Cross multiply
    8,038.40x = 12,059.02 × 2,773.00
  4. Step 4: Simplify right side
    8,038.40x = 33,439,602.16
  5. Step 5: Solve for x
    x = 33,439,602.16/8,038.40
  6. Step 6: Final answer
    x = 4,159.98

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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.