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Finding the Fourth Proportional to 7,269.70, 10,904.55 and 4,807.30

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Solution

The fourth proportional to 7,269.70, 10,904.55 and 4,807.30 is: 7,210.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.70 : 10,904.55 = 4,807.30 : x
  2. Step 2: Convert to fraction form
    7,269.70/10,904.55 = 4,807.30/x
  3. Step 3: Cross multiply
    7,269.70x = 10,904.55 × 4,807.30
  4. Step 4: Simplify right side
    7,269.70x = 52,421,443.22
  5. Step 5: Solve for x
    x = 52,421,443.22/7,269.70
  6. Step 6: Final answer
    x = 7,210.95

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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.