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Finding the Fourth Proportional to 64,842.29, 89,482.38 and 35,034.29

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Solution

The fourth proportional to 64,842.29, 89,482.38 and 35,034.29 is: 48,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,842.29 : 89,482.38 = 35,034.29 : x
  2. Step 2: Convert to fraction form
    64,842.29/89,482.38 = 35,034.29/x
  3. Step 3: Cross multiply
    64,842.29x = 89,482.38 × 35,034.29
  4. Step 4: Simplify right side
    64,842.29x = 3,134,951,650.81
  5. Step 5: Solve for x
    x = 3,134,951,650.81/64,842.29
  6. Step 6: Final answer
    x = 48,347.33

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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.