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Finding the Fourth Proportional to 39,338.60, 59,007.90 and 37,783.40

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Solution

The fourth proportional to 39,338.60, 59,007.90 and 37,783.40 is: 56,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,338.60 : 59,007.90 = 37,783.40 : x
  2. Step 2: Convert to fraction form
    39,338.60/59,007.90 = 37,783.40/x
  3. Step 3: Cross multiply
    39,338.60x = 59,007.90 × 37,783.40
  4. Step 4: Simplify right side
    39,338.60x = 2,229,519,088.86
  5. Step 5: Solve for x
    x = 2,229,519,088.86/39,338.60
  6. Step 6: Final answer
    x = 56,675.10

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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.