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Finding the Fourth Proportional to 64,967.34, 97,443.45 and 17,580.18

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Solution

The fourth proportional to 64,967.34, 97,443.45 and 17,580.18 is: 26,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,967.34 : 97,443.45 = 17,580.18 : x
  2. Step 2: Convert to fraction form
    64,967.34/97,443.45 = 17,580.18/x
  3. Step 3: Cross multiply
    64,967.34x = 97,443.45 × 17,580.18
  4. Step 4: Simplify right side
    64,967.34x = 1,713,073,390.82
  5. Step 5: Solve for x
    x = 1,713,073,390.82/64,967.34
  6. Step 6: Final answer
    x = 26,368.22

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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.