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Finding the Fourth Proportional to 58,592.88, 87,888.48 and 14,220

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Solution

The fourth proportional to 58,592.88, 87,888.48 and 14,220 is: 21,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,592.88 : 87,888.48 = 14,220 : x
  2. Step 2: Convert to fraction form
    58,592.88/87,888.48 = 14,220/x
  3. Step 3: Cross multiply
    58,592.88x = 87,888.48 × 14,220
  4. Step 4: Simplify right side
    58,592.88x = 1,249,774,185.60
  5. Step 5: Solve for x
    x = 1,249,774,185.60/58,592.88
  6. Step 6: Final answer
    x = 21,329.80

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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.