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Finding the Fourth Proportional to 35,486.61, 53,228.71 and 8,832.54

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Solution

The fourth proportional to 35,486.61, 53,228.71 and 8,832.54 is: 13,248.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.61 : 53,228.71 = 8,832.54 : x
  2. Step 2: Convert to fraction form
    35,486.61/53,228.71 = 8,832.54/x
  3. Step 3: Cross multiply
    35,486.61x = 53,228.71 × 8,832.54
  4. Step 4: Simplify right side
    35,486.61x = 470,144,920.87
  5. Step 5: Solve for x
    x = 470,144,920.87/35,486.61
  6. Step 6: Final answer
    x = 13,248.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.