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Finding the Fourth Proportional to 57,509.65, 79,363.15 and 32,359.15

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Solution

The fourth proportional to 57,509.65, 79,363.15 and 32,359.15 is: 44,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,509.65 : 79,363.15 = 32,359.15 : x
  2. Step 2: Convert to fraction form
    57,509.65/79,363.15 = 32,359.15/x
  3. Step 3: Cross multiply
    57,509.65x = 79,363.15 × 32,359.15
  4. Step 4: Simplify right side
    57,509.65x = 2,568,124,075.32
  5. Step 5: Solve for x
    x = 2,568,124,075.32/57,509.65
  6. Step 6: Final answer
    x = 44,655.53

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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.