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Finding the Fourth Proportional to 11,301.70, 16,904.55 and 10,140.10

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Solution

The fourth proportional to 11,301.70, 16,904.55 and 10,140.10 is: 15,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.70 : 16,904.55 = 10,140.10 : x
  2. Step 2: Convert to fraction form
    11,301.70/16,904.55 = 10,140.10/x
  3. Step 3: Cross multiply
    11,301.70x = 16,904.55 × 10,140.10
  4. Step 4: Simplify right side
    11,301.70x = 171,413,827.46
  5. Step 5: Solve for x
    x = 171,413,827.46/11,301.70
  6. Step 6: Final answer
    x = 15,167.08

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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.