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Finding the Fourth Proportional to 1,075.68, 1,483.92 and 1,044

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Solution

The fourth proportional to 1,075.68, 1,483.92 and 1,044 is: 1,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.68 : 1,483.92 = 1,044 : x
  2. Step 2: Convert to fraction form
    1,075.68/1,483.92 = 1,044/x
  3. Step 3: Cross multiply
    1,075.68x = 1,483.92 × 1,044
  4. Step 4: Simplify right side
    1,075.68x = 1,549,212.48
  5. Step 5: Solve for x
    x = 1,549,212.48/1,075.68
  6. Step 6: Final answer
    x = 1,440.22

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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.