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Finding the Fourth Proportional to 76,663.59, 114,995.79 and 26,744.10

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Solution

The fourth proportional to 76,663.59, 114,995.79 and 26,744.10 is: 40,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,663.59 : 114,995.79 = 26,744.10 : x
  2. Step 2: Convert to fraction form
    76,663.59/114,995.79 = 26,744.10/x
  3. Step 3: Cross multiply
    76,663.59x = 114,995.79 × 26,744.10
  4. Step 4: Simplify right side
    76,663.59x = 3,075,458,907.34
  5. Step 5: Solve for x
    x = 3,075,458,907.34/76,663.59
  6. Step 6: Final answer
    x = 40,116.29

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1.5x scale

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.