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Finding the Fourth Proportional to 65,068.50, 89,804.16 and 41,197.40

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Solution

The fourth proportional to 65,068.50, 89,804.16 and 41,197.40 is: 56,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,068.50 : 89,804.16 = 41,197.40 : x
  2. Step 2: Convert to fraction form
    65,068.50/89,804.16 = 41,197.40/x
  3. Step 3: Cross multiply
    65,068.50x = 89,804.16 × 41,197.40
  4. Step 4: Simplify right side
    65,068.50x = 3,699,697,901.18
  5. Step 5: Solve for x
    x = 3,699,697,901.18/65,068.50
  6. Step 6: Final answer
    x = 56,858.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.