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Finding the Fourth Proportional to 35,914.48, 53,871.74 and 9,618.55

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Solution

The fourth proportional to 35,914.48, 53,871.74 and 9,618.55 is: 14,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,914.48 : 53,871.74 = 9,618.55 : x
  2. Step 2: Convert to fraction form
    35,914.48/53,871.74 = 9,618.55/x
  3. Step 3: Cross multiply
    35,914.48x = 53,871.74 × 9,618.55
  4. Step 4: Simplify right side
    35,914.48x = 518,168,024.78
  5. Step 5: Solve for x
    x = 518,168,024.78/35,914.48
  6. Step 6: Final answer
    x = 14,427.83

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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.