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Finding the Fourth Proportional to 59,405.85, 81,980.10 and 32,549.40

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Solution

The fourth proportional to 59,405.85, 81,980.10 and 32,549.40 is: 44,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,405.85 : 81,980.10 = 32,549.40 : x
  2. Step 2: Convert to fraction form
    59,405.85/81,980.10 = 32,549.40/x
  3. Step 3: Cross multiply
    59,405.85x = 81,980.10 × 32,549.40
  4. Step 4: Simplify right side
    59,405.85x = 2,668,403,066.94
  5. Step 5: Solve for x
    x = 2,668,403,066.94/59,405.85
  6. Step 6: Final answer
    x = 44,918.19

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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.