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Finding the Fourth Proportional to 64,597.40, 96,677.40 and 56,724.20

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Solution

The fourth proportional to 64,597.40, 96,677.40 and 56,724.20 is: 84,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,597.40 : 96,677.40 = 56,724.20 : x
  2. Step 2: Convert to fraction form
    64,597.40/96,677.40 = 56,724.20/x
  3. Step 3: Cross multiply
    64,597.40x = 96,677.40 × 56,724.20
  4. Step 4: Simplify right side
    64,597.40x = 5,483,948,173.08
  5. Step 5: Solve for x
    x = 5,483,948,173.08/64,597.40
  6. Step 6: Final answer
    x = 84,894.26

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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.