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Finding the Fourth Proportional to 62,803.44, 86,667.04 and 34,509.16

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Solution

The fourth proportional to 62,803.44, 86,667.04 and 34,509.16 is: 47,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,803.44 : 86,667.04 = 34,509.16 : x
  2. Step 2: Convert to fraction form
    62,803.44/86,667.04 = 34,509.16/x
  3. Step 3: Cross multiply
    62,803.44x = 86,667.04 × 34,509.16
  4. Step 4: Simplify right side
    62,803.44x = 2,990,806,750.09
  5. Step 5: Solve for x
    x = 2,990,806,750.09/62,803.44
  6. Step 6: Final answer
    x = 47,621.70

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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.