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Finding the Fourth Proportional to 39,477.66, 59,215.08 and 9,895.74

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Solution

The fourth proportional to 39,477.66, 59,215.08 and 9,895.74 is: 14,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,477.66 : 59,215.08 = 9,895.74 : x
  2. Step 2: Convert to fraction form
    39,477.66/59,215.08 = 9,895.74/x
  3. Step 3: Cross multiply
    39,477.66x = 59,215.08 × 9,895.74
  4. Step 4: Simplify right side
    39,477.66x = 585,977,035.76
  5. Step 5: Solve for x
    x = 585,977,035.76/39,477.66
  6. Step 6: Final answer
    x = 14,843.26

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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.