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Finding the Fourth Proportional to 59,903.43, 89,843.40 and 19,916.16

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Solution

The fourth proportional to 59,903.43, 89,843.40 and 19,916.16 is: 29,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,903.43 : 89,843.40 = 19,916.16 : x
  2. Step 2: Convert to fraction form
    59,903.43/89,843.40 = 19,916.16/x
  3. Step 3: Cross multiply
    59,903.43x = 89,843.40 × 19,916.16
  4. Step 4: Simplify right side
    59,903.43x = 1,789,335,529.34
  5. Step 5: Solve for x
    x = 1,789,335,529.34/59,903.43
  6. Step 6: Final answer
    x = 29,870.34

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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.