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Finding the Fourth Proportional to 35,403.54, 53,138.16 and 17,885.67

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Solution

The fourth proportional to 35,403.54, 53,138.16 and 17,885.67 is: 26,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.54 : 53,138.16 = 17,885.67 : x
  2. Step 2: Convert to fraction form
    35,403.54/53,138.16 = 17,885.67/x
  3. Step 3: Cross multiply
    35,403.54x = 53,138.16 × 17,885.67
  4. Step 4: Simplify right side
    35,403.54x = 950,411,594.17
  5. Step 5: Solve for x
    x = 950,411,594.17/35,403.54
  6. Step 6: Final answer
    x = 26,845.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.