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Finding the Fourth Proportional to 46,017.20, 69,025.80 and 29,428.40

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Solution

The fourth proportional to 46,017.20, 69,025.80 and 29,428.40 is: 44,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,017.20 : 69,025.80 = 29,428.40 : x
  2. Step 2: Convert to fraction form
    46,017.20/69,025.80 = 29,428.40/x
  3. Step 3: Cross multiply
    46,017.20x = 69,025.80 × 29,428.40
  4. Step 4: Simplify right side
    46,017.20x = 2,031,318,852.72
  5. Step 5: Solve for x
    x = 2,031,318,852.72/46,017.20
  6. Step 6: Final answer
    x = 44,142.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.