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Finding the Fourth Proportional to 9,266.70, 13,900.05 and 5,330.10

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Solution

The fourth proportional to 9,266.70, 13,900.05 and 5,330.10 is: 7,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266.70 : 13,900.05 = 5,330.10 : x
  2. Step 2: Convert to fraction form
    9,266.70/13,900.05 = 5,330.10/x
  3. Step 3: Cross multiply
    9,266.70x = 13,900.05 × 5,330.10
  4. Step 4: Simplify right side
    9,266.70x = 74,088,656.51
  5. Step 5: Solve for x
    x = 74,088,656.51/9,266.70
  6. Step 6: Final answer
    x = 7,995.15

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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.