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Finding the Fourth Proportional to 84,763.88, 116,973.06 and 47,037.32

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Solution

The fourth proportional to 84,763.88, 116,973.06 and 47,037.32 is: 64,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,763.88 : 116,973.06 = 47,037.32 : x
  2. Step 2: Convert to fraction form
    84,763.88/116,973.06 = 47,037.32/x
  3. Step 3: Cross multiply
    84,763.88x = 116,973.06 × 47,037.32
  4. Step 4: Simplify right side
    84,763.88x = 5,502,099,254.60
  5. Step 5: Solve for x
    x = 5,502,099,254.60/84,763.88
  6. Step 6: Final answer
    x = 64,910.89

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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.