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Finding the Fourth Proportional to 48,713.64, 73,070.64 and 13,653.60

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Solution

The fourth proportional to 48,713.64, 73,070.64 and 13,653.60 is: 20,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,713.64 : 73,070.64 = 13,653.60 : x
  2. Step 2: Convert to fraction form
    48,713.64/73,070.64 = 13,653.60/x
  3. Step 3: Cross multiply
    48,713.64x = 73,070.64 × 13,653.60
  4. Step 4: Simplify right side
    48,713.64x = 997,677,290.30
  5. Step 5: Solve for x
    x = 997,677,290.30/48,713.64
  6. Step 6: Final answer
    x = 20,480.45

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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.