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Finding the Fourth Proportional to 30,417.62, 45,629.12 and 10,696.34

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Solution

The fourth proportional to 30,417.62, 45,629.12 and 10,696.34 is: 16,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.62 : 45,629.12 = 10,696.34 : x
  2. Step 2: Convert to fraction form
    30,417.62/45,629.12 = 10,696.34/x
  3. Step 3: Cross multiply
    30,417.62x = 45,629.12 × 10,696.34
  4. Step 4: Simplify right side
    30,417.62x = 488,064,299.79
  5. Step 5: Solve for x
    x = 488,064,299.79/30,417.62
  6. Step 6: Final answer
    x = 16,045.45

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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.