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Finding the Fourth Proportional to 77,048.80, 115,573.64 and 23,740.08

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Solution

The fourth proportional to 77,048.80, 115,573.64 and 23,740.08 is: 35,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,048.80 : 115,573.64 = 23,740.08 : x
  2. Step 2: Convert to fraction form
    77,048.80/115,573.64 = 23,740.08/x
  3. Step 3: Cross multiply
    77,048.80x = 115,573.64 × 23,740.08
  4. Step 4: Simplify right side
    77,048.80x = 2,743,727,459.49
  5. Step 5: Solve for x
    x = 2,743,727,459.49/77,048.80
  6. Step 6: Final answer
    x = 35,610.26

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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.