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Finding the Fourth Proportional to 11,430.10, 16,015.10 and 11,430.10

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Solution

The fourth proportional to 11,430.10, 16,015.10 and 11,430.10 is: 16,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.10 : 16,015.10 = 11,430.10 : x
  2. Step 2: Convert to fraction form
    11,430.10/16,015.10 = 11,430.10/x
  3. Step 3: Cross multiply
    11,430.10x = 16,015.10 × 11,430.10
  4. Step 4: Simplify right side
    11,430.10x = 183,054,194.51
  5. Step 5: Solve for x
    x = 183,054,194.51/11,430.10
  6. Step 6: Final answer
    x = 16,015.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.