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Finding the Fourth Proportional to 19,154.00, 28,731.02 and 5,303.00

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Solution

The fourth proportional to 19,154.00, 28,731.02 and 5,303.00 is: 7,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.00 : 28,731.02 = 5,303.00 : x
  2. Step 2: Convert to fraction form
    19,154.00/28,731.02 = 5,303.00/x
  3. Step 3: Cross multiply
    19,154.00x = 28,731.02 × 5,303.00
  4. Step 4: Simplify right side
    19,154.00x = 152,360,428.89
  5. Step 5: Solve for x
    x = 152,360,428.89/19,154.00
  6. Step 6: Final answer
    x = 7,954.50

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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.