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Finding the Fourth Proportional to 64,873.04, 97,307.76 and 18,124.64

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Solution

The fourth proportional to 64,873.04, 97,307.76 and 18,124.64 is: 27,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,873.04 : 97,307.76 = 18,124.64 : x
  2. Step 2: Convert to fraction form
    64,873.04/97,307.76 = 18,124.64/x
  3. Step 3: Cross multiply
    64,873.04x = 97,307.76 × 18,124.64
  4. Step 4: Simplify right side
    64,873.04x = 1,763,668,119.21
  5. Step 5: Solve for x
    x = 1,763,668,119.21/64,873.04
  6. Step 6: Final answer
    x = 27,186.46

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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.