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Finding the Fourth Proportional to 63,774.72, 88,012.80 and 35,480.16

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Solution

The fourth proportional to 63,774.72, 88,012.80 and 35,480.16 is: 48,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,774.72 : 88,012.80 = 35,480.16 : x
  2. Step 2: Convert to fraction form
    63,774.72/88,012.80 = 35,480.16/x
  3. Step 3: Cross multiply
    63,774.72x = 88,012.80 × 35,480.16
  4. Step 4: Simplify right side
    63,774.72x = 3,122,708,226.05
  5. Step 5: Solve for x
    x = 3,122,708,226.05/63,774.72
  6. Step 6: Final answer
    x = 48,964.67

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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.