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Finding the Fourth Proportional to 7,895.00, 11,852.81 and 5,279.28

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Solution

The fourth proportional to 7,895.00, 11,852.81 and 5,279.28 is: 7,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.00 : 11,852.81 = 5,279.28 : x
  2. Step 2: Convert to fraction form
    7,895.00/11,852.81 = 5,279.28/x
  3. Step 3: Cross multiply
    7,895.00x = 11,852.81 × 5,279.28
  4. Step 4: Simplify right side
    7,895.00x = 62,574,276.38
  5. Step 5: Solve for x
    x = 62,574,276.38/7,895.00
  6. Step 6: Final answer
    x = 7,925.82

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1.5x scale

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.