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Finding the Fourth Proportional to 30,063.63, 45,111.44 and 16,916.93

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Solution

The fourth proportional to 30,063.63, 45,111.44 and 16,916.93 is: 25,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063.63 : 45,111.44 = 16,916.93 : x
  2. Step 2: Convert to fraction form
    30,063.63/45,111.44 = 16,916.93/x
  3. Step 3: Cross multiply
    30,063.63x = 45,111.44 × 16,916.93
  4. Step 4: Simplify right side
    30,063.63x = 763,146,889.41
  5. Step 5: Solve for x
    x = 763,146,889.41/30,063.63
  6. Step 6: Final answer
    x = 25,384.39

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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.