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Finding the Fourth Proportional to 71,021.44, 97,974.48 and 46,477.72

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Solution

The fourth proportional to 71,021.44, 97,974.48 and 46,477.72 is: 64,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,021.44 : 97,974.48 = 46,477.72 : x
  2. Step 2: Convert to fraction form
    71,021.44/97,974.48 = 46,477.72/x
  3. Step 3: Cross multiply
    71,021.44x = 97,974.48 × 46,477.72
  4. Step 4: Simplify right side
    71,021.44x = 4,553,630,448.59
  5. Step 5: Solve for x
    x = 4,553,630,448.59/71,021.44
  6. Step 6: Final answer
    x = 64,116.28

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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.