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Finding the Fourth Proportional to 54,342.30, 75,923.70 and 54,342.30

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Solution

The fourth proportional to 54,342.30, 75,923.70 and 54,342.30 is: 75,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,342.30 : 75,923.70 = 54,342.30 : x
  2. Step 2: Convert to fraction form
    54,342.30/75,923.70 = 54,342.30/x
  3. Step 3: Cross multiply
    54,342.30x = 75,923.70 × 54,342.30
  4. Step 4: Simplify right side
    54,342.30x = 4,125,868,482.51
  5. Step 5: Solve for x
    x = 4,125,868,482.51/54,342.30
  6. Step 6: Final answer
    x = 75,923.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.