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Finding the Fourth Proportional to 14,068.35, 19,411.52 and 7,779.51

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Solution

The fourth proportional to 14,068.35, 19,411.52 and 7,779.51 is: 10,734.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.35 : 19,411.52 = 7,779.51 : x
  2. Step 2: Convert to fraction form
    14,068.35/19,411.52 = 7,779.51/x
  3. Step 3: Cross multiply
    14,068.35x = 19,411.52 × 7,779.51
  4. Step 4: Simplify right side
    14,068.35x = 151,012,075.06
  5. Step 5: Solve for x
    x = 151,012,075.06/14,068.35
  6. Step 6: Final answer
    x = 10,734.17

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