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Finding the Fourth Proportional to 35,398.54, 53,130.62 and 17,880.67

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Solution

The fourth proportional to 35,398.54, 53,130.62 and 17,880.67 is: 26,837.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.54 : 53,130.62 = 17,880.67 : x
  2. Step 2: Convert to fraction form
    35,398.54/53,130.62 = 17,880.67/x
  3. Step 3: Cross multiply
    35,398.54x = 53,130.62 × 17,880.67
  4. Step 4: Simplify right side
    35,398.54x = 950,011,083.12
  5. Step 5: Solve for x
    x = 950,011,083.12/35,398.54
  6. Step 6: Final answer
    x = 26,837.58

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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.