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Finding the Fourth Proportional to 48,485.35, 72,728.04 and 15,208.32

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Solution

The fourth proportional to 48,485.35, 72,728.04 and 15,208.32 is: 22,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,485.35 : 72,728.04 = 15,208.32 : x
  2. Step 2: Convert to fraction form
    48,485.35/72,728.04 = 15,208.32/x
  3. Step 3: Cross multiply
    48,485.35x = 72,728.04 × 15,208.32
  4. Step 4: Simplify right side
    48,485.35x = 1,106,071,635.05
  5. Step 5: Solve for x
    x = 1,106,071,635.05/48,485.35
  6. Step 6: Final answer
    x = 22,812.49

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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.