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Finding the Fourth Proportional to 46,804.05, 70,206.05 and 15,639.30

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Solution

The fourth proportional to 46,804.05, 70,206.05 and 15,639.30 is: 23,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,804.05 : 70,206.05 = 15,639.30 : x
  2. Step 2: Convert to fraction form
    46,804.05/70,206.05 = 15,639.30/x
  3. Step 3: Cross multiply
    46,804.05x = 70,206.05 × 15,639.30
  4. Step 4: Simplify right side
    46,804.05x = 1,097,973,399.57
  5. Step 5: Solve for x
    x = 1,097,973,399.57/46,804.05
  6. Step 6: Final answer
    x = 23,458.94

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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.