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Finding the Fourth Proportional to 19,364,603.20, 29,046,904.80 and 18,482,804.80

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Solution

The fourth proportional to 19,364,603.20, 29,046,904.80 and 18,482,804.80 is: 27,724,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364,603.20 : 29,046,904.80 = 18,482,804.80 : x
  2. Step 2: Convert to fraction form
    19,364,603.20/29,046,904.80 = 18,482,804.80/x
  3. Step 3: Cross multiply
    19,364,603.20x = 29,046,904.80 × 18,482,804.80
  4. Step 4: Simplify right side
    19,364,603.20x = 536,868,271,462,583.06
  5. Step 5: Solve for x
    x = 536,868,271,462,583.06/19,364,603.20
  6. Step 6: Final answer
    x = 27,724,207.20

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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.