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Finding the Fourth Proportional to 53,462.87, 73,749.66 and 34,345.65

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Solution

The fourth proportional to 53,462.87, 73,749.66 and 34,345.65 is: 47,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,462.87 : 73,749.66 = 34,345.65 : x
  2. Step 2: Convert to fraction form
    53,462.87/73,749.66 = 34,345.65/x
  3. Step 3: Cross multiply
    53,462.87x = 73,749.66 × 34,345.65
  4. Step 4: Simplify right side
    53,462.87x = 2,532,980,009.98
  5. Step 5: Solve for x
    x = 2,532,980,009.98/53,462.87
  6. Step 6: Final answer
    x = 47,378.31

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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.