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Finding the Fourth Proportional to 39,295.52, 58,945.76 and 19,554.20

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Solution

The fourth proportional to 39,295.52, 58,945.76 and 19,554.20 is: 29,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,295.52 : 58,945.76 = 19,554.20 : x
  2. Step 2: Convert to fraction form
    39,295.52/58,945.76 = 19,554.20/x
  3. Step 3: Cross multiply
    39,295.52x = 58,945.76 × 19,554.20
  4. Step 4: Simplify right side
    39,295.52x = 1,152,637,180.19
  5. Step 5: Solve for x
    x = 1,152,637,180.19/39,295.52
  6. Step 6: Final answer
    x = 29,332.53

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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.