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Finding the Fourth Proportional to 43,595.76, 65,393.68 and 10,763.76

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Solution

The fourth proportional to 43,595.76, 65,393.68 and 10,763.76 is: 16,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,595.76 : 65,393.68 = 10,763.76 : x
  2. Step 2: Convert to fraction form
    43,595.76/65,393.68 = 10,763.76/x
  3. Step 3: Cross multiply
    43,595.76x = 65,393.68 × 10,763.76
  4. Step 4: Simplify right side
    43,595.76x = 703,881,877.04
  5. Step 5: Solve for x
    x = 703,881,877.04/43,595.76
  6. Step 6: Final answer
    x = 16,145.65

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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.