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Finding the Fourth Proportional to 35,587, 49,109.70 and 19,670.68

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Solution

The fourth proportional to 35,587, 49,109.70 and 19,670.68 is: 27,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,587 : 49,109.70 = 19,670.68 : x
  2. Step 2: Convert to fraction form
    35,587/49,109.70 = 19,670.68/x
  3. Step 3: Cross multiply
    35,587x = 49,109.70 × 19,670.68
  4. Step 4: Simplify right side
    35,587x = 966,021,193.60
  5. Step 5: Solve for x
    x = 966,021,193.60/35,587
  6. Step 6: Final answer
    x = 27,145.34

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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.