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Finding the Fourth Proportional to 9,907.40, 14,855.73 and 4,354.24

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Solution

The fourth proportional to 9,907.40, 14,855.73 and 4,354.24 is: 6,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.40 : 14,855.73 = 4,354.24 : x
  2. Step 2: Convert to fraction form
    9,907.40/14,855.73 = 4,354.24/x
  3. Step 3: Cross multiply
    9,907.40x = 14,855.73 × 4,354.24
  4. Step 4: Simplify right side
    9,907.40x = 64,685,413.80
  5. Step 5: Solve for x
    x = 64,685,413.80/9,907.40
  6. Step 6: Final answer
    x = 6,529.00

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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.