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Finding the Fourth Proportional to 64,172.64, 88,554.22 and 35,491.56

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Solution

The fourth proportional to 64,172.64, 88,554.22 and 35,491.56 is: 48,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,172.64 : 88,554.22 = 35,491.56 : x
  2. Step 2: Convert to fraction form
    64,172.64/88,554.22 = 35,491.56/x
  3. Step 3: Cross multiply
    64,172.64x = 88,554.22 × 35,491.56
  4. Step 4: Simplify right side
    64,172.64x = 3,142,927,412.38
  5. Step 5: Solve for x
    x = 3,142,927,412.38/64,172.64
  6. Step 6: Final answer
    x = 48,976.13

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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.