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Finding the Fourth Proportional to 56,430.73, 84,148.81 and 55,924.82

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Solution

The fourth proportional to 56,430.73, 84,148.81 and 55,924.82 is: 83,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,430.73 : 84,148.81 = 55,924.82 : x
  2. Step 2: Convert to fraction form
    56,430.73/84,148.81 = 55,924.82/x
  3. Step 3: Cross multiply
    56,430.73x = 84,148.81 × 55,924.82
  4. Step 4: Simplify right side
    56,430.73x = 4,706,007,052.46
  5. Step 5: Solve for x
    x = 4,706,007,052.46/56,430.73
  6. Step 6: Final answer
    x = 83,394.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.