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Finding the Fourth Proportional to 54,808.63, 75,636.11 and 29,658.13

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Solution

The fourth proportional to 54,808.63, 75,636.11 and 29,658.13 is: 40,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,808.63 : 75,636.11 = 29,658.13 : x
  2. Step 2: Convert to fraction form
    54,808.63/75,636.11 = 29,658.13/x
  3. Step 3: Cross multiply
    54,808.63x = 75,636.11 × 29,658.13
  4. Step 4: Simplify right side
    54,808.63x = 2,243,225,583.07
  5. Step 5: Solve for x
    x = 2,243,225,583.07/54,808.63
  6. Step 6: Final answer
    x = 40,928.33

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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.