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Finding the Fourth Proportional to 55,477.98, 76,555.50 and 33,971.22

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Solution

The fourth proportional to 55,477.98, 76,555.50 and 33,971.22 is: 46,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,477.98 : 76,555.50 = 33,971.22 : x
  2. Step 2: Convert to fraction form
    55,477.98/76,555.50 = 33,971.22/x
  3. Step 3: Cross multiply
    55,477.98x = 76,555.50 × 33,971.22
  4. Step 4: Simplify right side
    55,477.98x = 2,600,683,732.71
  5. Step 5: Solve for x
    x = 2,600,683,732.71/55,477.98
  6. Step 6: Final answer
    x = 46,877.77

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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.