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Finding the Fourth Proportional to 1,088.16, 1,492 and 1,032.48

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Solution

The fourth proportional to 1,088.16, 1,492 and 1,032.48 is: 1,415.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.16 : 1,492 = 1,032.48 : x
  2. Step 2: Convert to fraction form
    1,088.16/1,492 = 1,032.48/x
  3. Step 3: Cross multiply
    1,088.16x = 1,492 × 1,032.48
  4. Step 4: Simplify right side
    1,088.16x = 1,540,460.16
  5. Step 5: Solve for x
    x = 1,540,460.16/1,088.16
  6. Step 6: Final answer
    x = 1,415.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.