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Finding the Fourth Proportional to 64,837.72, 89,482.93 and 38,002.77

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Solution

The fourth proportional to 64,837.72, 89,482.93 and 38,002.77 is: 52,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,837.72 : 89,482.93 = 38,002.77 : x
  2. Step 2: Convert to fraction form
    64,837.72/89,482.93 = 38,002.77/x
  3. Step 3: Cross multiply
    64,837.72x = 89,482.93 × 38,002.77
  4. Step 4: Simplify right side
    64,837.72x = 3,400,599,112.71
  5. Step 5: Solve for x
    x = 3,400,599,112.71/64,837.72
  6. Step 6: Final answer
    x = 52,447.86

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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.