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Finding the Fourth Proportional to 46,885.79, 70,328.47 and 19,183.79

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Solution

The fourth proportional to 46,885.79, 70,328.47 and 19,183.79 is: 28,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,885.79 : 70,328.47 = 19,183.79 : x
  2. Step 2: Convert to fraction form
    46,885.79/70,328.47 = 19,183.79/x
  3. Step 3: Cross multiply
    46,885.79x = 70,328.47 × 19,183.79
  4. Step 4: Simplify right side
    46,885.79x = 1,349,166,599.50
  5. Step 5: Solve for x
    x = 1,349,166,599.50/46,885.79
  6. Step 6: Final answer
    x = 28,775.60

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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.