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Finding the Fourth Proportional to 45,628, 62,966.64 and 25,756

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Solution

The fourth proportional to 45,628, 62,966.64 and 25,756 is: 35,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,628 : 62,966.64 = 25,756 : x
  2. Step 2: Convert to fraction form
    45,628/62,966.64 = 25,756/x
  3. Step 3: Cross multiply
    45,628x = 62,966.64 × 25,756
  4. Step 4: Simplify right side
    45,628x = 1,621,768,779.84
  5. Step 5: Solve for x
    x = 1,621,768,779.84/45,628
  6. Step 6: Final answer
    x = 35,543.28

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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.