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Finding the Fourth Proportional to 39,492.54, 59,205.48 and 18,421.48

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Solution

The fourth proportional to 39,492.54, 59,205.48 and 18,421.48 is: 27,616.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,492.54 : 59,205.48 = 18,421.48 : x
  2. Step 2: Convert to fraction form
    39,492.54/59,205.48 = 18,421.48/x
  3. Step 3: Cross multiply
    39,492.54x = 59,205.48 × 18,421.48
  4. Step 4: Simplify right side
    39,492.54x = 1,090,652,565.71
  5. Step 5: Solve for x
    x = 1,090,652,565.71/39,492.54
  6. Step 6: Final answer
    x = 27,616.67

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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.