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Finding the Fourth Proportional to 60,477.51, 83,461.11 and 33,255.66

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Solution

The fourth proportional to 60,477.51, 83,461.11 and 33,255.66 is: 45,893.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,477.51 : 83,461.11 = 33,255.66 : x
  2. Step 2: Convert to fraction form
    60,477.51/83,461.11 = 33,255.66/x
  3. Step 3: Cross multiply
    60,477.51x = 83,461.11 × 33,255.66
  4. Step 4: Simplify right side
    60,477.51x = 2,775,554,672.72
  5. Step 5: Solve for x
    x = 2,775,554,672.72/60,477.51
  6. Step 6: Final answer
    x = 45,893.99

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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.