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Finding the Fourth Proportional to 1,060.43, 1,460.93 and 1,011.22

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Solution

The fourth proportional to 1,060.43, 1,460.93 and 1,011.22 is: 1,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.43 : 1,460.93 = 1,011.22 : x
  2. Step 2: Convert to fraction form
    1,060.43/1,460.93 = 1,011.22/x
  3. Step 3: Cross multiply
    1,060.43x = 1,460.93 × 1,011.22
  4. Step 4: Simplify right side
    1,060.43x = 1,477,312.93
  5. Step 5: Solve for x
    x = 1,477,312.93/1,060.43
  6. Step 6: Final answer
    x = 1,393.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.