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Finding the Fourth Proportional to 7,898.01, 10,895.32 and 4,709.06

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Solution

The fourth proportional to 7,898.01, 10,895.32 and 4,709.06 is: 6,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.01 : 10,895.32 = 4,709.06 : x
  2. Step 2: Convert to fraction form
    7,898.01/10,895.32 = 4,709.06/x
  3. Step 3: Cross multiply
    7,898.01x = 10,895.32 × 4,709.06
  4. Step 4: Simplify right side
    7,898.01x = 51,306,725.27
  5. Step 5: Solve for x
    x = 51,306,725.27/7,898.01
  6. Step 6: Final answer
    x = 6,496.15

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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.