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Finding the Fourth Proportional to 75,758.64, 104,460.28 and 48,498.92

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Solution

The fourth proportional to 75,758.64, 104,460.28 and 48,498.92 is: 66,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,758.64 : 104,460.28 = 48,498.92 : x
  2. Step 2: Convert to fraction form
    75,758.64/104,460.28 = 48,498.92/x
  3. Step 3: Cross multiply
    75,758.64x = 104,460.28 × 48,498.92
  4. Step 4: Simplify right side
    75,758.64x = 5,066,210,762.90
  5. Step 5: Solve for x
    x = 5,066,210,762.90/75,758.64
  6. Step 6: Final answer
    x = 66,873.04

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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.