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Finding the Fourth Proportional to 64,159.75, 88,542.35 and 35,865.51

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Solution

The fourth proportional to 64,159.75, 88,542.35 and 35,865.51 is: 49,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,159.75 : 88,542.35 = 35,865.51 : x
  2. Step 2: Convert to fraction form
    64,159.75/88,542.35 = 35,865.51/x
  3. Step 3: Cross multiply
    64,159.75x = 88,542.35 × 35,865.51
  4. Step 4: Simplify right side
    64,159.75x = 3,175,616,539.35
  5. Step 5: Solve for x
    x = 3,175,616,539.35/64,159.75
  6. Step 6: Final answer
    x = 49,495.46

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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.