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Finding the Fourth Proportional to 58,065.54, 86,878.05 and 34,385.77

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Solution

The fourth proportional to 58,065.54, 86,878.05 and 34,385.77 is: 51,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,065.54 : 86,878.05 = 34,385.77 : x
  2. Step 2: Convert to fraction form
    58,065.54/86,878.05 = 34,385.77/x
  3. Step 3: Cross multiply
    58,065.54x = 86,878.05 × 34,385.77
  4. Step 4: Simplify right side
    58,065.54x = 2,987,368,645.35
  5. Step 5: Solve for x
    x = 2,987,368,645.35/58,065.54
  6. Step 6: Final answer
    x = 51,448.22

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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.