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Finding the Fourth Proportional to 80,801.28, 111,492.45 and 46,815.30

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Solution

The fourth proportional to 80,801.28, 111,492.45 and 46,815.30 is: 64,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,801.28 : 111,492.45 = 46,815.30 : x
  2. Step 2: Convert to fraction form
    80,801.28/111,492.45 = 46,815.30/x
  3. Step 3: Cross multiply
    80,801.28x = 111,492.45 × 46,815.30
  4. Step 4: Simplify right side
    80,801.28x = 5,219,552,494.49
  5. Step 5: Solve for x
    x = 5,219,552,494.49/80,801.28
  6. Step 6: Final answer
    x = 64,597.40

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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.