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Finding the Fourth Proportional to 9,995.37, 14,990.45 and 2,973.50

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Solution

The fourth proportional to 9,995.37, 14,990.45 and 2,973.50 is: 4,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.37 : 14,990.45 = 2,973.50 : x
  2. Step 2: Convert to fraction form
    9,995.37/14,990.45 = 2,973.50/x
  3. Step 3: Cross multiply
    9,995.37x = 14,990.45 × 2,973.50
  4. Step 4: Simplify right side
    9,995.37x = 44,574,013.26
  5. Step 5: Solve for x
    x = 44,574,013.26/9,995.37
  6. Step 6: Final answer
    x = 4,459.47

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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.