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Finding the Fourth Proportional to 77,751.60, 116,486.59 and 35,666.88

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Solution

The fourth proportional to 77,751.60, 116,486.59 and 35,666.88 is: 53,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,751.60 : 116,486.59 = 35,666.88 : x
  2. Step 2: Convert to fraction form
    77,751.60/116,486.59 = 35,666.88/x
  3. Step 3: Cross multiply
    77,751.60x = 116,486.59 × 35,666.88
  4. Step 4: Simplify right side
    77,751.60x = 4,154,713,227.14
  5. Step 5: Solve for x
    x = 4,154,713,227.14/77,751.60
  6. Step 6: Final answer
    x = 53,435.73

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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.