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Finding the Fourth Proportional to 40,417.60, 60,626.40 and 40,417.60

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Solution

The fourth proportional to 40,417.60, 60,626.40 and 40,417.60 is: 60,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,417.60 : 60,626.40 = 40,417.60 : x
  2. Step 2: Convert to fraction form
    40,417.60/60,626.40 = 40,417.60/x
  3. Step 3: Cross multiply
    40,417.60x = 60,626.40 × 40,417.60
  4. Step 4: Simplify right side
    40,417.60x = 2,450,373,584.64
  5. Step 5: Solve for x
    x = 2,450,373,584.64/40,417.60
  6. Step 6: Final answer
    x = 60,626.40

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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.