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Finding the Fourth Proportional to 12,350.70, 18,526.64 and 4,030.70

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Solution

The fourth proportional to 12,350.70, 18,526.64 and 4,030.70 is: 6,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.70 : 18,526.64 = 4,030.70 : x
  2. Step 2: Convert to fraction form
    12,350.70/18,526.64 = 4,030.70/x
  3. Step 3: Cross multiply
    12,350.70x = 18,526.64 × 4,030.70
  4. Step 4: Simplify right side
    12,350.70x = 74,675,327.85
  5. Step 5: Solve for x
    x = 74,675,327.85/12,350.70
  6. Step 6: Final answer
    x = 6,046.24

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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.