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Finding the Fourth Proportional to 30,646.66, 45,946.58 and 15,846.12

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Solution

The fourth proportional to 30,646.66, 45,946.58 and 15,846.12 is: 23,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646.66 : 45,946.58 = 15,846.12 : x
  2. Step 2: Convert to fraction form
    30,646.66/45,946.58 = 15,846.12/x
  3. Step 3: Cross multiply
    30,646.66x = 45,946.58 × 15,846.12
  4. Step 4: Simplify right side
    30,646.66x = 728,075,020.27
  5. Step 5: Solve for x
    x = 728,075,020.27/30,646.66
  6. Step 6: Final answer
    x = 23,757.08

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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.