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Finding the Fourth Proportional to 54,463.92, 75,157.84 and 31,804.16

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Solution

The fourth proportional to 54,463.92, 75,157.84 and 31,804.16 is: 43,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,463.92 : 75,157.84 = 31,804.16 : x
  2. Step 2: Convert to fraction form
    54,463.92/75,157.84 = 31,804.16/x
  3. Step 3: Cross multiply
    54,463.92x = 75,157.84 × 31,804.16
  4. Step 4: Simplify right side
    54,463.92x = 2,390,331,968.61
  5. Step 5: Solve for x
    x = 2,390,331,968.61/54,463.92
  6. Step 6: Final answer
    x = 43,888.36

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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.