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Finding the Fourth Proportional to 56,010.30, 77,292.81 and 30,859.26

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Solution

The fourth proportional to 56,010.30, 77,292.81 and 30,859.26 is: 42,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,010.30 : 77,292.81 = 30,859.26 : x
  2. Step 2: Convert to fraction form
    56,010.30/77,292.81 = 30,859.26/x
  3. Step 3: Cross multiply
    56,010.30x = 77,292.81 × 30,859.26
  4. Step 4: Simplify right side
    56,010.30x = 2,385,198,919.92
  5. Step 5: Solve for x
    x = 2,385,198,919.92/56,010.30
  6. Step 6: Final answer
    x = 42,585.01

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1.5x scale

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.