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Finding the Fourth Proportional to 32,762.50, 45,212.28 and 17,858.50

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Solution

The fourth proportional to 32,762.50, 45,212.28 and 17,858.50 is: 24,644.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,762.50 : 45,212.28 = 17,858.50 : x
  2. Step 2: Convert to fraction form
    32,762.50/45,212.28 = 17,858.50/x
  3. Step 3: Cross multiply
    32,762.50x = 45,212.28 × 17,858.50
  4. Step 4: Simplify right side
    32,762.50x = 807,423,502.38
  5. Step 5: Solve for x
    x = 807,423,502.38/32,762.50
  6. Step 6: Final answer
    x = 24,644.75

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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.