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Finding the Fourth Proportional to 64,019.89, 88,346.93 and 35,339.51

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Solution

The fourth proportional to 64,019.89, 88,346.93 and 35,339.51 is: 48,768.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,019.89 : 88,346.93 = 35,339.51 : x
  2. Step 2: Convert to fraction form
    64,019.89/88,346.93 = 35,339.51/x
  3. Step 3: Cross multiply
    64,019.89x = 88,346.93 × 35,339.51
  4. Step 4: Simplify right side
    64,019.89x = 3,122,137,105.08
  5. Step 5: Solve for x
    x = 3,122,137,105.08/64,019.89
  6. Step 6: Final answer
    x = 48,768.24

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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.