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Finding the Fourth Proportional to 82,765.65, 114,216.76 and 46,948.74

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Solution

The fourth proportional to 82,765.65, 114,216.76 and 46,948.74 is: 64,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,765.65 : 114,216.76 = 46,948.74 : x
  2. Step 2: Convert to fraction form
    82,765.65/114,216.76 = 46,948.74/x
  3. Step 3: Cross multiply
    82,765.65x = 114,216.76 × 46,948.74
  4. Step 4: Simplify right side
    82,765.65x = 5,362,332,788.45
  5. Step 5: Solve for x
    x = 5,362,332,788.45/82,765.65
  6. Step 6: Final answer
    x = 64,789.35

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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.