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Finding the Fourth Proportional to 7,895.70, 10,897.47 and 4,709.19

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Solution

The fourth proportional to 7,895.70, 10,897.47 and 4,709.19 is: 6,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.70 : 10,897.47 = 4,709.19 : x
  2. Step 2: Convert to fraction form
    7,895.70/10,897.47 = 4,709.19/x
  3. Step 3: Cross multiply
    7,895.70x = 10,897.47 × 4,709.19
  4. Step 4: Simplify right side
    7,895.70x = 51,318,256.75
  5. Step 5: Solve for x
    x = 51,318,256.75/7,895.70
  6. Step 6: Final answer
    x = 6,499.52

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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.