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Finding the Fourth Proportional to 6,602.40, 9,884.40 and 6,410.40

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Solution

The fourth proportional to 6,602.40, 9,884.40 and 6,410.40 is: 9,596.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.40 : 9,884.40 = 6,410.40 : x
  2. Step 2: Convert to fraction form
    6,602.40/9,884.40 = 6,410.40/x
  3. Step 3: Cross multiply
    6,602.40x = 9,884.40 × 6,410.40
  4. Step 4: Simplify right side
    6,602.40x = 63,362,957.76
  5. Step 5: Solve for x
    x = 63,362,957.76/6,602.40
  6. Step 6: Final answer
    x = 9,596.96

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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.