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Finding the Fourth Proportional to 59,214.52, 81,623.98 and 40,319.16

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Solution

The fourth proportional to 59,214.52, 81,623.98 and 40,319.16 is: 55,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,214.52 : 81,623.98 = 40,319.16 : x
  2. Step 2: Convert to fraction form
    59,214.52/81,623.98 = 40,319.16/x
  3. Step 3: Cross multiply
    59,214.52x = 81,623.98 × 40,319.16
  4. Step 4: Simplify right side
    59,214.52x = 3,291,010,309.46
  5. Step 5: Solve for x
    x = 3,291,010,309.46/59,214.52
  6. Step 6: Final answer
    x = 55,577.76

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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.