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Finding the Fourth Proportional to 65,368.17, 98,039.34 and 17,971.04

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Solution

The fourth proportional to 65,368.17, 98,039.34 and 17,971.04 is: 26,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,368.17 : 98,039.34 = 17,971.04 : x
  2. Step 2: Convert to fraction form
    65,368.17/98,039.34 = 17,971.04/x
  3. Step 3: Cross multiply
    65,368.17x = 98,039.34 × 17,971.04
  4. Step 4: Simplify right side
    65,368.17x = 1,761,868,900.71
  5. Step 5: Solve for x
    x = 1,761,868,900.71/65,368.17
  6. Step 6: Final answer
    x = 26,953.01

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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.