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Finding the Fourth Proportional to 32,686.20, 49,029.30 and 10,501.20

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Solution

The fourth proportional to 32,686.20, 49,029.30 and 10,501.20 is: 15,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,686.20 : 49,029.30 = 10,501.20 : x
  2. Step 2: Convert to fraction form
    32,686.20/49,029.30 = 10,501.20/x
  3. Step 3: Cross multiply
    32,686.20x = 49,029.30 × 10,501.20
  4. Step 4: Simplify right side
    32,686.20x = 514,866,485.16
  5. Step 5: Solve for x
    x = 514,866,485.16/32,686.20
  6. Step 6: Final answer
    x = 15,751.80

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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.