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Finding the Fourth Proportional to 46,968.99, 70,456.81 and 18,889.19

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Solution

The fourth proportional to 46,968.99, 70,456.81 and 18,889.19 is: 28,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,968.99 : 70,456.81 = 18,889.19 : x
  2. Step 2: Convert to fraction form
    46,968.99/70,456.81 = 18,889.19/x
  3. Step 3: Cross multiply
    46,968.99x = 70,456.81 × 18,889.19
  4. Step 4: Simplify right side
    46,968.99x = 1,330,872,070.88
  5. Step 5: Solve for x
    x = 1,330,872,070.88/46,968.99
  6. Step 6: Final answer
    x = 28,335.12

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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.