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Finding the Fourth Proportional to 64,262.09, 88,653.76 and 38,754.28

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Solution

The fourth proportional to 64,262.09, 88,653.76 and 38,754.28 is: 53,464.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,262.09 : 88,653.76 = 38,754.28 : x
  2. Step 2: Convert to fraction form
    64,262.09/88,653.76 = 38,754.28/x
  3. Step 3: Cross multiply
    64,262.09x = 88,653.76 × 38,754.28
  4. Step 4: Simplify right side
    64,262.09x = 3,435,712,638.09
  5. Step 5: Solve for x
    x = 3,435,712,638.09/64,262.09
  6. Step 6: Final answer
    x = 53,464.07

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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.