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Finding the Fourth Proportional to 45,737.40, 68,606.10 and 19,433.40

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Solution

The fourth proportional to 45,737.40, 68,606.10 and 19,433.40 is: 29,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,737.40 : 68,606.10 = 19,433.40 : x
  2. Step 2: Convert to fraction form
    45,737.40/68,606.10 = 19,433.40/x
  3. Step 3: Cross multiply
    45,737.40x = 68,606.10 × 19,433.40
  4. Step 4: Simplify right side
    45,737.40x = 1,333,249,783.74
  5. Step 5: Solve for x
    x = 1,333,249,783.74/45,737.40
  6. Step 6: Final answer
    x = 29,150.10

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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.