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Finding the Fourth Proportional to 29,261.95, 43,892.49 and 7,075.18

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Solution

The fourth proportional to 29,261.95, 43,892.49 and 7,075.18 is: 10,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,261.95 : 43,892.49 = 7,075.18 : x
  2. Step 2: Convert to fraction form
    29,261.95/43,892.49 = 7,075.18/x
  3. Step 3: Cross multiply
    29,261.95x = 43,892.49 × 7,075.18
  4. Step 4: Simplify right side
    29,261.95x = 310,547,267.40
  5. Step 5: Solve for x
    x = 310,547,267.40/29,261.95
  6. Step 6: Final answer
    x = 10,612.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.