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Finding the Fourth Proportional to 69,295.70, 95,604.64 and 56,526.69

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Solution

The fourth proportional to 69,295.70, 95,604.64 and 56,526.69 is: 77,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,295.70 : 95,604.64 = 56,526.69 : x
  2. Step 2: Convert to fraction form
    69,295.70/95,604.64 = 56,526.69/x
  3. Step 3: Cross multiply
    69,295.70x = 95,604.64 × 56,526.69
  4. Step 4: Simplify right side
    69,295.70x = 5,404,214,065.04
  5. Step 5: Solve for x
    x = 5,404,214,065.04/69,295.70
  6. Step 6: Final answer
    x = 77,987.72

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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.