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Finding the Fourth Proportional to 9,995.64, 14,993.46 and 3,070.20

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Solution

The fourth proportional to 9,995.64, 14,993.46 and 3,070.20 is: 4,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.64 : 14,993.46 = 3,070.20 : x
  2. Step 2: Convert to fraction form
    9,995.64/14,993.46 = 3,070.20/x
  3. Step 3: Cross multiply
    9,995.64x = 14,993.46 × 3,070.20
  4. Step 4: Simplify right side
    9,995.64x = 46,032,920.89
  5. Step 5: Solve for x
    x = 46,032,920.89/9,995.64
  6. Step 6: Final answer
    x = 4,605.30

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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.