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Finding the Fourth Proportional to 58,095.40, 86,924.40 and 38,412.40

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Solution

The fourth proportional to 58,095.40, 86,924.40 and 38,412.40 is: 57,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,095.40 : 86,924.40 = 38,412.40 : x
  2. Step 2: Convert to fraction form
    58,095.40/86,924.40 = 38,412.40/x
  3. Step 3: Cross multiply
    58,095.40x = 86,924.40 × 38,412.40
  4. Step 4: Simplify right side
    58,095.40x = 3,338,974,822.56
  5. Step 5: Solve for x
    x = 3,338,974,822.56/58,095.40
  6. Step 6: Final answer
    x = 57,474.00

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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.