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Finding the Fourth Proportional to 58,655.56, 87,981.63 and 14,281.67

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Solution

The fourth proportional to 58,655.56, 87,981.63 and 14,281.67 is: 21,422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,655.56 : 87,981.63 = 14,281.67 : x
  2. Step 2: Convert to fraction form
    58,655.56/87,981.63 = 14,281.67/x
  3. Step 3: Cross multiply
    58,655.56x = 87,981.63 × 14,281.67
  4. Step 4: Simplify right side
    58,655.56x = 1,256,524,094.41
  5. Step 5: Solve for x
    x = 1,256,524,094.41/58,655.56
  6. Step 6: Final answer
    x = 21,422.08

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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.