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Finding the Fourth Proportional to 8,603.95, 11,873.58 and 4,827.95

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Solution

The fourth proportional to 8,603.95, 11,873.58 and 4,827.95 is: 6,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.95 : 11,873.58 = 4,827.95 : x
  2. Step 2: Convert to fraction form
    8,603.95/11,873.58 = 4,827.95/x
  3. Step 3: Cross multiply
    8,603.95x = 11,873.58 × 4,827.95
  4. Step 4: Simplify right side
    8,603.95x = 57,325,050.56
  5. Step 5: Solve for x
    x = 57,325,050.56/8,603.95
  6. Step 6: Final answer
    x = 6,662.64

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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.