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Finding the Fourth Proportional to 60,577.80, 83,550 and 39,363.88

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Solution

The fourth proportional to 60,577.80, 83,550 and 39,363.88 is: 54,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,577.80 : 83,550 = 39,363.88 : x
  2. Step 2: Convert to fraction form
    60,577.80/83,550 = 39,363.88/x
  3. Step 3: Cross multiply
    60,577.80x = 83,550 × 39,363.88
  4. Step 4: Simplify right side
    60,577.80x = 3,288,852,174
  5. Step 5: Solve for x
    x = 3,288,852,174/60,577.80
  6. Step 6: Final answer
    x = 54,291.38

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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.