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Finding the Fourth Proportional to 72,010.08, 99,360.72 and 41,798.88

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Solution

The fourth proportional to 72,010.08, 99,360.72 and 41,798.88 is: 57,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,010.08 : 99,360.72 = 41,798.88 : x
  2. Step 2: Convert to fraction form
    72,010.08/99,360.72 = 41,798.88/x
  3. Step 3: Cross multiply
    72,010.08x = 99,360.72 × 41,798.88
  4. Step 4: Simplify right side
    72,010.08x = 4,153,166,811.99
  5. Step 5: Solve for x
    x = 4,153,166,811.99/72,010.08
  6. Step 6: Final answer
    x = 57,674.80

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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.