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Finding the Fourth Proportional to 39,852.90, 59,783.67 and 14,904.90

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Solution

The fourth proportional to 39,852.90, 59,783.67 and 14,904.90 is: 22,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,852.90 : 59,783.67 = 14,904.90 : x
  2. Step 2: Convert to fraction form
    39,852.90/59,783.67 = 14,904.90/x
  3. Step 3: Cross multiply
    39,852.90x = 59,783.67 × 14,904.90
  4. Step 4: Simplify right side
    39,852.90x = 891,069,622.98
  5. Step 5: Solve for x
    x = 891,069,622.98/39,852.90
  6. Step 6: Final answer
    x = 22,358.97

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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.