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Finding the Fourth Proportional to 35,503.32, 48,993.66 and 19,587

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Solution

The fourth proportional to 35,503.32, 48,993.66 and 19,587 is: 27,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,503.32 : 48,993.66 = 19,587 : x
  2. Step 2: Convert to fraction form
    35,503.32/48,993.66 = 19,587/x
  3. Step 3: Cross multiply
    35,503.32x = 48,993.66 × 19,587
  4. Step 4: Simplify right side
    35,503.32x = 959,638,818.42
  5. Step 5: Solve for x
    x = 959,638,818.42/35,503.32
  6. Step 6: Final answer
    x = 27,029.55

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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.