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Finding the Fourth Proportional to 39,539.96, 59,307.80 and 9,957.74

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Solution

The fourth proportional to 39,539.96, 59,307.80 and 9,957.74 is: 14,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,539.96 : 59,307.80 = 9,957.74 : x
  2. Step 2: Convert to fraction form
    39,539.96/59,307.80 = 9,957.74/x
  3. Step 3: Cross multiply
    39,539.96x = 59,307.80 × 9,957.74
  4. Step 4: Simplify right side
    39,539.96x = 590,571,652.37
  5. Step 5: Solve for x
    x = 590,571,652.37/39,539.96
  6. Step 6: Final answer
    x = 14,936.07

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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.