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Finding the Fourth Proportional to 47,656.40, 71,484.58 and 19,571.66

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Solution

The fourth proportional to 47,656.40, 71,484.58 and 19,571.66 is: 29,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,656.40 : 71,484.58 = 19,571.66 : x
  2. Step 2: Convert to fraction form
    47,656.40/71,484.58 = 19,571.66/x
  3. Step 3: Cross multiply
    47,656.40x = 71,484.58 × 19,571.66
  4. Step 4: Simplify right side
    47,656.40x = 1,399,071,895.00
  5. Step 5: Solve for x
    x = 1,399,071,895.00/47,656.40
  6. Step 6: Final answer
    x = 29,357.48

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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.