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Finding the Fourth Proportional to 53,675.47, 74,072.46 and 29,477.47

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Solution

The fourth proportional to 53,675.47, 74,072.46 and 29,477.47 is: 40,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,675.47 : 74,072.46 = 29,477.47 : x
  2. Step 2: Convert to fraction form
    53,675.47/74,072.46 = 29,477.47/x
  3. Step 3: Cross multiply
    53,675.47x = 74,072.46 × 29,477.47
  4. Step 4: Simplify right side
    53,675.47x = 2,183,468,717.48
  5. Step 5: Solve for x
    x = 2,183,468,717.48/53,675.47
  6. Step 6: Final answer
    x = 40,679.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.