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Finding the Fourth Proportional to 63,393.47, 87,485.72 and 35,099.16

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Solution

The fourth proportional to 63,393.47, 87,485.72 and 35,099.16 is: 48,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,393.47 : 87,485.72 = 35,099.16 : x
  2. Step 2: Convert to fraction form
    63,393.47/87,485.72 = 35,099.16/x
  3. Step 3: Cross multiply
    63,393.47x = 87,485.72 × 35,099.16
  4. Step 4: Simplify right side
    63,393.47x = 3,070,674,977.86
  5. Step 5: Solve for x
    x = 3,070,674,977.86/63,393.47
  6. Step 6: Final answer
    x = 48,438.35

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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.