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Finding the Fourth Proportional to 64,357.42, 88,817.36 and 35,678.28

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Solution

The fourth proportional to 64,357.42, 88,817.36 and 35,678.28 is: 49,238.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,357.42 : 88,817.36 = 35,678.28 : x
  2. Step 2: Convert to fraction form
    64,357.42/88,817.36 = 35,678.28/x
  3. Step 3: Cross multiply
    64,357.42x = 88,817.36 × 35,678.28
  4. Step 4: Simplify right side
    64,357.42x = 3,168,850,638.94
  5. Step 5: Solve for x
    x = 3,168,850,638.94/64,357.42
  6. Step 6: Final answer
    x = 49,238.31

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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.