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Finding the Fourth Proportional to 13,770.95, 19,004.03 and 7,483.32

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Solution

The fourth proportional to 13,770.95, 19,004.03 and 7,483.32 is: 10,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.95 : 19,004.03 = 7,483.32 : x
  2. Step 2: Convert to fraction form
    13,770.95/19,004.03 = 7,483.32/x
  3. Step 3: Cross multiply
    13,770.95x = 19,004.03 × 7,483.32
  4. Step 4: Simplify right side
    13,770.95x = 142,213,319.12
  5. Step 5: Solve for x
    x = 142,213,319.12/13,770.95
  6. Step 6: Final answer
    x = 10,327.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.