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Finding the Fourth Proportional to 60,750.95, 91,130.00 and 18,631.46

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Solution

The fourth proportional to 60,750.95, 91,130.00 and 18,631.46 is: 27,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,750.95 : 91,130.00 = 18,631.46 : x
  2. Step 2: Convert to fraction form
    60,750.95/91,130.00 = 18,631.46/x
  3. Step 3: Cross multiply
    60,750.95x = 91,130.00 × 18,631.46
  4. Step 4: Simplify right side
    60,750.95x = 1,697,884,400.99
  5. Step 5: Solve for x
    x = 1,697,884,400.99/60,750.95
  6. Step 6: Final answer
    x = 27,948.28

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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.