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Finding the Fourth Proportional to 19,970.51, 29,962.07 and 9,440.10

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Solution

The fourth proportional to 19,970.51, 29,962.07 and 9,440.10 is: 14,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.51 : 29,962.07 = 9,440.10 : x
  2. Step 2: Convert to fraction form
    19,970.51/29,962.07 = 9,440.10/x
  3. Step 3: Cross multiply
    19,970.51x = 29,962.07 × 9,440.10
  4. Step 4: Simplify right side
    19,970.51x = 282,844,889.81
  5. Step 5: Solve for x
    x = 282,844,889.81/19,970.51
  6. Step 6: Final answer
    x = 14,163.13

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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.