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Finding the Fourth Proportional to 77,004.80, 115,510.80 and 24,418.40

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Solution

The fourth proportional to 77,004.80, 115,510.80 and 24,418.40 is: 36,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,004.80 : 115,510.80 = 24,418.40 : x
  2. Step 2: Convert to fraction form
    77,004.80/115,510.80 = 24,418.40/x
  3. Step 3: Cross multiply
    77,004.80x = 115,510.80 × 24,418.40
  4. Step 4: Simplify right side
    77,004.80x = 2,820,588,918.72
  5. Step 5: Solve for x
    x = 2,820,588,918.72/77,004.80
  6. Step 6: Final answer
    x = 36,628.74

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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.