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Finding the Fourth Proportional to 72,477.41, 108,750.47 and 35,016.48

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Solution

The fourth proportional to 72,477.41, 108,750.47 and 35,016.48 is: 52,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,477.41 : 108,750.47 = 35,016.48 : x
  2. Step 2: Convert to fraction form
    72,477.41/108,750.47 = 35,016.48/x
  3. Step 3: Cross multiply
    72,477.41x = 108,750.47 × 35,016.48
  4. Step 4: Simplify right side
    72,477.41x = 3,808,058,482.66
  5. Step 5: Solve for x
    x = 3,808,058,482.66/72,477.41
  6. Step 6: Final answer
    x = 52,541.32

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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.