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Finding the Fourth Proportional to 64,935.80, 97,403.70 and 41,607.80

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Solution

The fourth proportional to 64,935.80, 97,403.70 and 41,607.80 is: 62,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,935.80 : 97,403.70 = 41,607.80 : x
  2. Step 2: Convert to fraction form
    64,935.80/97,403.70 = 41,607.80/x
  3. Step 3: Cross multiply
    64,935.80x = 97,403.70 × 41,607.80
  4. Step 4: Simplify right side
    64,935.80x = 4,052,753,668.86
  5. Step 5: Solve for x
    x = 4,052,753,668.86/64,935.80
  6. Step 6: Final answer
    x = 62,411.70

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1.5x scale

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.