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Finding the Fourth Proportional to 93,876.35, 129,544.40 and 53,588.51

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Solution

The fourth proportional to 93,876.35, 129,544.40 and 53,588.51 is: 73,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,876.35 : 129,544.40 = 53,588.51 : x
  2. Step 2: Convert to fraction form
    93,876.35/129,544.40 = 53,588.51/x
  3. Step 3: Cross multiply
    93,876.35x = 129,544.40 × 53,588.51
  4. Step 4: Simplify right side
    93,876.35x = 6,942,091,374.84
  5. Step 5: Solve for x
    x = 6,942,091,374.84/93,876.35
  6. Step 6: Final answer
    x = 73,949.31

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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.