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Finding the Fourth Proportional to 84,774.68, 116,989.38 and 47,048.93

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Solution

The fourth proportional to 84,774.68, 116,989.38 and 47,048.93 is: 64,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,774.68 : 116,989.38 = 47,048.93 : x
  2. Step 2: Convert to fraction form
    84,774.68/116,989.38 = 47,048.93/x
  3. Step 3: Cross multiply
    84,774.68x = 116,989.38 × 47,048.93
  4. Step 4: Simplify right side
    84,774.68x = 5,504,225,150.36
  5. Step 5: Solve for x
    x = 5,504,225,150.36/84,774.68
  6. Step 6: Final answer
    x = 64,927.70

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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.