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Finding the Fourth Proportional to 52,327.90, 72,210.31 and 29,668.42

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Solution

The fourth proportional to 52,327.90, 72,210.31 and 29,668.42 is: 40,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,327.90 : 72,210.31 = 29,668.42 : x
  2. Step 2: Convert to fraction form
    52,327.90/72,210.31 = 29,668.42/x
  3. Step 3: Cross multiply
    52,327.90x = 72,210.31 × 29,668.42
  4. Step 4: Simplify right side
    52,327.90x = 2,142,365,901.11
  5. Step 5: Solve for x
    x = 2,142,365,901.11/52,327.90
  6. Step 6: Final answer
    x = 40,941.17

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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.