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Finding the Fourth Proportional to 64,534.63, 89,070.54 and 41,236.17

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Solution

The fourth proportional to 64,534.63, 89,070.54 and 41,236.17 is: 56,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,534.63 : 89,070.54 = 41,236.17 : x
  2. Step 2: Convert to fraction form
    64,534.63/89,070.54 = 41,236.17/x
  3. Step 3: Cross multiply
    64,534.63x = 89,070.54 × 41,236.17
  4. Step 4: Simplify right side
    64,534.63x = 3,672,927,566.04
  5. Step 5: Solve for x
    x = 3,672,927,566.04/64,534.63
  6. Step 6: Final answer
    x = 56,914.06

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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.