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Finding the Fourth Proportional to 46,563.40, 69,845.10 and 42,408.10

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Solution

The fourth proportional to 46,563.40, 69,845.10 and 42,408.10 is: 63,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,563.40 : 69,845.10 = 42,408.10 : x
  2. Step 2: Convert to fraction form
    46,563.40/69,845.10 = 42,408.10/x
  3. Step 3: Cross multiply
    46,563.40x = 69,845.10 × 42,408.10
  4. Step 4: Simplify right side
    46,563.40x = 2,961,997,985.31
  5. Step 5: Solve for x
    x = 2,961,997,985.31/46,563.40
  6. Step 6: Final answer
    x = 63,612.15

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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.