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Finding the Fourth Proportional to 8,762.49, 12,092.54 and 4,783.95

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Solution

The fourth proportional to 8,762.49, 12,092.54 and 4,783.95 is: 6,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.49 : 12,092.54 = 4,783.95 : x
  2. Step 2: Convert to fraction form
    8,762.49/12,092.54 = 4,783.95/x
  3. Step 3: Cross multiply
    8,762.49x = 12,092.54 × 4,783.95
  4. Step 4: Simplify right side
    8,762.49x = 57,850,082.81
  5. Step 5: Solve for x
    x = 57,850,082.81/8,762.49
  6. Step 6: Final answer
    x = 6,602.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.