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Finding the Fourth Proportional to 7,898.77, 10,901.69 and 4,712.26

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Solution

The fourth proportional to 7,898.77, 10,901.69 and 4,712.26 is: 6,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.77 : 10,901.69 = 4,712.26 : x
  2. Step 2: Convert to fraction form
    7,898.77/10,901.69 = 4,712.26/x
  3. Step 3: Cross multiply
    7,898.77x = 10,901.69 × 4,712.26
  4. Step 4: Simplify right side
    7,898.77x = 51,371,585.02
  5. Step 5: Solve for x
    x = 51,371,585.02/7,898.77
  6. Step 6: Final answer
    x = 6,503.75

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1.5x scale

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.