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Finding the Fourth Proportional to 6,603.30, 9,904.95 and 4,940.10

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Solution

The fourth proportional to 6,603.30, 9,904.95 and 4,940.10 is: 7,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.30 : 9,904.95 = 4,940.10 : x
  2. Step 2: Convert to fraction form
    6,603.30/9,904.95 = 4,940.10/x
  3. Step 3: Cross multiply
    6,603.30x = 9,904.95 × 4,940.10
  4. Step 4: Simplify right side
    6,603.30x = 48,931,443.50
  5. Step 5: Solve for x
    x = 48,931,443.50/6,603.30
  6. Step 6: Final answer
    x = 7,410.15

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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.