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Finding the Fourth Proportional to 8,900.64, 13,341.36 and 4,737.84

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Solution

The fourth proportional to 8,900.64, 13,341.36 and 4,737.84 is: 7,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.64 : 13,341.36 = 4,737.84 : x
  2. Step 2: Convert to fraction form
    8,900.64/13,341.36 = 4,737.84/x
  3. Step 3: Cross multiply
    8,900.64x = 13,341.36 × 4,737.84
  4. Step 4: Simplify right side
    8,900.64x = 63,209,229.06
  5. Step 5: Solve for x
    x = 63,209,229.06/8,900.64
  6. Step 6: Final answer
    x = 7,101.65

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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.