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Finding the Fourth Proportional to 60,980.37, 83,965.99 and 53,384.19

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Solution

The fourth proportional to 60,980.37, 83,965.99 and 53,384.19 is: 73,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,980.37 : 83,965.99 = 53,384.19 : x
  2. Step 2: Convert to fraction form
    60,980.37/83,965.99 = 53,384.19/x
  3. Step 3: Cross multiply
    60,980.37x = 83,965.99 × 53,384.19
  4. Step 4: Simplify right side
    60,980.37x = 4,482,456,363.70
  5. Step 5: Solve for x
    x = 4,482,456,363.70/60,980.37
  6. Step 6: Final answer
    x = 73,506.55

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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.