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Finding the Fourth Proportional to 64,952.03, 97,430.88 and 20,582.06

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Solution

The fourth proportional to 64,952.03, 97,430.88 and 20,582.06 is: 30,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,952.03 : 97,430.88 = 20,582.06 : x
  2. Step 2: Convert to fraction form
    64,952.03/97,430.88 = 20,582.06/x
  3. Step 3: Cross multiply
    64,952.03x = 97,430.88 × 20,582.06
  4. Step 4: Simplify right side
    64,952.03x = 2,005,327,730.86
  5. Step 5: Solve for x
    x = 2,005,327,730.86/64,952.03
  6. Step 6: Final answer
    x = 30,873.98

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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.