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Finding the Fourth Proportional to 46,845.60, 70,269.32 and 17,248.20

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Solution

The fourth proportional to 46,845.60, 70,269.32 and 17,248.20 is: 25,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,845.60 : 70,269.32 = 17,248.20 : x
  2. Step 2: Convert to fraction form
    46,845.60/70,269.32 = 17,248.20/x
  3. Step 3: Cross multiply
    46,845.60x = 70,269.32 × 17,248.20
  4. Step 4: Simplify right side
    46,845.60x = 1,212,019,285.22
  5. Step 5: Solve for x
    x = 1,212,019,285.22/46,845.60
  6. Step 6: Final answer
    x = 25,872.64

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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.