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Finding the Fourth Proportional to 5,275.61, 7,275.53 and 4,529.33

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Solution

The fourth proportional to 5,275.61, 7,275.53 and 4,529.33 is: 6,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.61 : 7,275.53 = 4,529.33 : x
  2. Step 2: Convert to fraction form
    5,275.61/7,275.53 = 4,529.33/x
  3. Step 3: Cross multiply
    5,275.61x = 7,275.53 × 4,529.33
  4. Step 4: Simplify right side
    5,275.61x = 32,953,253.65
  5. Step 5: Solve for x
    x = 32,953,253.65/5,275.61
  6. Step 6: Final answer
    x = 6,246.34

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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.