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Finding the Fourth Proportional to 6,607.60, 9,903.40 and 4,527.60

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Solution

The fourth proportional to 6,607.60, 9,903.40 and 4,527.60 is: 6,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.60 : 9,903.40 = 4,527.60 : x
  2. Step 2: Convert to fraction form
    6,607.60/9,903.40 = 4,527.60/x
  3. Step 3: Cross multiply
    6,607.60x = 9,903.40 × 4,527.60
  4. Step 4: Simplify right side
    6,607.60x = 44,838,633.84
  5. Step 5: Solve for x
    x = 44,838,633.84/6,607.60
  6. Step 6: Final answer
    x = 6,785.92

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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.