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Finding the Fourth Proportional to 13,030.71, 19,530.96 and 5,995.96

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Solution

The fourth proportional to 13,030.71, 19,530.96 and 5,995.96 is: 8,986.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.71 : 19,530.96 = 5,995.96 : x
  2. Step 2: Convert to fraction form
    13,030.71/19,530.96 = 5,995.96/x
  3. Step 3: Cross multiply
    13,030.71x = 19,530.96 × 5,995.96
  4. Step 4: Simplify right side
    13,030.71x = 117,106,783.61
  5. Step 5: Solve for x
    x = 117,106,783.61/13,030.71
  6. Step 6: Final answer
    x = 8,986.99

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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.