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Finding the Fourth Proportional to 48,752.80, 73,215.60 and 37,686.40

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Solution

The fourth proportional to 48,752.80, 73,215.60 and 37,686.40 is: 56,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,752.80 : 73,215.60 = 37,686.40 : x
  2. Step 2: Convert to fraction form
    48,752.80/73,215.60 = 37,686.40/x
  3. Step 3: Cross multiply
    48,752.80x = 73,215.60 × 37,686.40
  4. Step 4: Simplify right side
    48,752.80x = 2,759,232,387.84
  5. Step 5: Solve for x
    x = 2,759,232,387.84/48,752.80
  6. Step 6: Final answer
    x = 56,596.39

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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.