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Finding the Fourth Proportional to 55,805.72, 77,076.82 and 46,763.84

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Solution

The fourth proportional to 55,805.72, 77,076.82 and 46,763.84 is: 64,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,805.72 : 77,076.82 = 46,763.84 : x
  2. Step 2: Convert to fraction form
    55,805.72/77,076.82 = 46,763.84/x
  3. Step 3: Cross multiply
    55,805.72x = 77,076.82 × 46,763.84
  4. Step 4: Simplify right side
    55,805.72x = 3,604,408,078.19
  5. Step 5: Solve for x
    x = 3,604,408,078.19/55,805.72
  6. Step 6: Final answer
    x = 64,588.51

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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.