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Finding the Fourth Proportional to 35,115, 48,458.70 and 19,199.57

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Solution

The fourth proportional to 35,115, 48,458.70 and 19,199.57 is: 26,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,115 : 48,458.70 = 19,199.57 : x
  2. Step 2: Convert to fraction form
    35,115/48,458.70 = 19,199.57/x
  3. Step 3: Cross multiply
    35,115x = 48,458.70 × 19,199.57
  4. Step 4: Simplify right side
    35,115x = 930,385,960.47
  5. Step 5: Solve for x
    x = 930,385,960.47/35,115
  6. Step 6: Final answer
    x = 26,495.40

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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.