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Finding the Fourth Proportional to 46,715.58, 70,095.23 and 20,416.90

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Solution

The fourth proportional to 46,715.58, 70,095.23 and 20,416.90 is: 30,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,715.58 : 70,095.23 = 20,416.90 : x
  2. Step 2: Convert to fraction form
    46,715.58/70,095.23 = 20,416.90/x
  3. Step 3: Cross multiply
    46,715.58x = 70,095.23 × 20,416.90
  4. Step 4: Simplify right side
    46,715.58x = 1,431,127,352.43
  5. Step 5: Solve for x
    x = 1,431,127,352.43/46,715.58
  6. Step 6: Final answer
    x = 30,634.91

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