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Finding the Fourth Proportional to 35,962.40, 53,900.40 and 18,423.20

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Solution

The fourth proportional to 35,962.40, 53,900.40 and 18,423.20 is: 27,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,962.40 : 53,900.40 = 18,423.20 : x
  2. Step 2: Convert to fraction form
    35,962.40/53,900.40 = 18,423.20/x
  3. Step 3: Cross multiply
    35,962.40x = 53,900.40 × 18,423.20
  4. Step 4: Simplify right side
    35,962.40x = 993,017,849.28
  5. Step 5: Solve for x
    x = 993,017,849.28/35,962.40
  6. Step 6: Final answer
    x = 27,612.67

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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.