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Finding the Fourth Proportional to 45,646.80, 68,585.40 and 29,014.80

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Solution

The fourth proportional to 45,646.80, 68,585.40 and 29,014.80 is: 43,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,646.80 : 68,585.40 = 29,014.80 : x
  2. Step 2: Convert to fraction form
    45,646.80/68,585.40 = 29,014.80/x
  3. Step 3: Cross multiply
    45,646.80x = 68,585.40 × 29,014.80
  4. Step 4: Simplify right side
    45,646.80x = 1,989,991,663.92
  5. Step 5: Solve for x
    x = 1,989,991,663.92/45,646.80
  6. Step 6: Final answer
    x = 43,595.43

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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.