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Finding the Fourth Proportional to 60,328.98, 90,003.62 and 57,063.06

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Solution

The fourth proportional to 60,328.98, 90,003.62 and 57,063.06 is: 85,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,328.98 : 90,003.62 = 57,063.06 : x
  2. Step 2: Convert to fraction form
    60,328.98/90,003.62 = 57,063.06/x
  3. Step 3: Cross multiply
    60,328.98x = 90,003.62 × 57,063.06
  4. Step 4: Simplify right side
    60,328.98x = 5,135,881,682.96
  5. Step 5: Solve for x
    x = 5,135,881,682.96/60,328.98
  6. Step 6: Final answer
    x = 85,131.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.