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Finding the Fourth Proportional to 44,574.80, 61,505.16 and 28,655.60

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Solution

The fourth proportional to 44,574.80, 61,505.16 and 28,655.60 is: 39,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,574.80 : 61,505.16 = 28,655.60 : x
  2. Step 2: Convert to fraction form
    44,574.80/61,505.16 = 28,655.60/x
  3. Step 3: Cross multiply
    44,574.80x = 61,505.16 × 28,655.60
  4. Step 4: Simplify right side
    44,574.80x = 1,762,467,262.90
  5. Step 5: Solve for x
    x = 1,762,467,262.90/44,574.80
  6. Step 6: Final answer
    x = 39,539.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.