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Finding the Fourth Proportional to 35,563.80, 53,345.70 and 32,712.60

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Solution

The fourth proportional to 35,563.80, 53,345.70 and 32,712.60 is: 49,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,563.80 : 53,345.70 = 32,712.60 : x
  2. Step 2: Convert to fraction form
    35,563.80/53,345.70 = 32,712.60/x
  3. Step 3: Cross multiply
    35,563.80x = 53,345.70 × 32,712.60
  4. Step 4: Simplify right side
    35,563.80x = 1,745,076,545.82
  5. Step 5: Solve for x
    x = 1,745,076,545.82/35,563.80
  6. Step 6: Final answer
    x = 49,068.90

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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.