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Finding the Fourth Proportional to 9,019.95, 12,447.46 and 5,041.02

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Solution

The fourth proportional to 9,019.95, 12,447.46 and 5,041.02 is: 6,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.95 : 12,447.46 = 5,041.02 : x
  2. Step 2: Convert to fraction form
    9,019.95/12,447.46 = 5,041.02/x
  3. Step 3: Cross multiply
    9,019.95x = 12,447.46 × 5,041.02
  4. Step 4: Simplify right side
    9,019.95x = 62,747,894.81
  5. Step 5: Solve for x
    x = 62,747,894.81/9,019.95
  6. Step 6: Final answer
    x = 6,956.57

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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.