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Finding the Fourth Proportional to 59,492.60, 89,066.10 and 57,764.60

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Solution

The fourth proportional to 59,492.60, 89,066.10 and 57,764.60 is: 86,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,492.60 : 89,066.10 = 57,764.60 : x
  2. Step 2: Convert to fraction form
    59,492.60/89,066.10 = 57,764.60/x
  3. Step 3: Cross multiply
    59,492.60x = 89,066.10 × 57,764.60
  4. Step 4: Simplify right side
    59,492.60x = 5,144,867,640.06
  5. Step 5: Solve for x
    x = 5,144,867,640.06/59,492.60
  6. Step 6: Final answer
    x = 86,479.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.