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Finding the Fourth Proportional to 45,698.80, 68,618.60 and 24,962.80

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Solution

The fourth proportional to 45,698.80, 68,618.60 and 24,962.80 is: 37,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,698.80 : 68,618.60 = 24,962.80 : x
  2. Step 2: Convert to fraction form
    45,698.80/68,618.60 = 24,962.80/x
  3. Step 3: Cross multiply
    45,698.80x = 68,618.60 × 24,962.80
  4. Step 4: Simplify right side
    45,698.80x = 1,712,912,388.08
  5. Step 5: Solve for x
    x = 1,712,912,388.08/45,698.80
  6. Step 6: Final answer
    x = 37,482.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.