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Finding the Fourth Proportional to 47,570.16, 71,328.48 and 19,482.48

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Solution

The fourth proportional to 47,570.16, 71,328.48 and 19,482.48 is: 29,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,570.16 : 71,328.48 = 19,482.48 : x
  2. Step 2: Convert to fraction form
    47,570.16/71,328.48 = 19,482.48/x
  3. Step 3: Cross multiply
    47,570.16x = 71,328.48 × 19,482.48
  4. Step 4: Simplify right side
    47,570.16x = 1,389,655,685.03
  5. Step 5: Solve for x
    x = 1,389,655,685.03/47,570.16
  6. Step 6: Final answer
    x = 29,212.76

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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.