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Finding the Fourth Proportional to 7,540.36, 11,368.40 and 7,032.18

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Solution

The fourth proportional to 7,540.36, 11,368.40 and 7,032.18 is: 10,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.36 : 11,368.40 = 7,032.18 : x
  2. Step 2: Convert to fraction form
    7,540.36/11,368.40 = 7,032.18/x
  3. Step 3: Cross multiply
    7,540.36x = 11,368.40 × 7,032.18
  4. Step 4: Simplify right side
    7,540.36x = 79,944,635.11
  5. Step 5: Solve for x
    x = 79,944,635.11/7,540.36
  6. Step 6: Final answer
    x = 10,602.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.