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Finding the Fourth Proportional to 55,794.51, 77,007.59 and 33,146.07

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Solution

The fourth proportional to 55,794.51, 77,007.59 and 33,146.07 is: 45,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,794.51 : 77,007.59 = 33,146.07 : x
  2. Step 2: Convert to fraction form
    55,794.51/77,007.59 = 33,146.07/x
  3. Step 3: Cross multiply
    55,794.51x = 77,007.59 × 33,146.07
  4. Step 4: Simplify right side
    55,794.51x = 2,552,498,802.94
  5. Step 5: Solve for x
    x = 2,552,498,802.94/55,794.51
  6. Step 6: Final answer
    x = 45,748.21

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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.