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Finding the Fourth Proportional to 51,432.51, 77,148.79 and 33,774.71

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Solution

The fourth proportional to 51,432.51, 77,148.79 and 33,774.71 is: 50,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,432.51 : 77,148.79 = 33,774.71 : x
  2. Step 2: Convert to fraction form
    51,432.51/77,148.79 = 33,774.71/x
  3. Step 3: Cross multiply
    51,432.51x = 77,148.79 × 33,774.71
  4. Step 4: Simplify right side
    51,432.51x = 2,605,678,009.10
  5. Step 5: Solve for x
    x = 2,605,678,009.10/51,432.51
  6. Step 6: Final answer
    x = 50,662.08

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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.