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Finding the Fourth Proportional to 58,620.71, 87,808.05 and 46,081.00

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Solution

The fourth proportional to 58,620.71, 87,808.05 and 46,081.00 is: 69,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,620.71 : 87,808.05 = 46,081.00 : x
  2. Step 2: Convert to fraction form
    58,620.71/87,808.05 = 46,081.00/x
  3. Step 3: Cross multiply
    58,620.71x = 87,808.05 × 46,081.00
  4. Step 4: Simplify right side
    58,620.71x = 4,046,282,861.81
  5. Step 5: Solve for x
    x = 4,046,282,861.81/58,620.71
  6. Step 6: Final answer
    x = 69,024.80

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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.