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Finding the Fourth Proportional to 14,606.94, 21,875.34 and 8,347.98

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Solution

The fourth proportional to 14,606.94, 21,875.34 and 8,347.98 is: 12,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.94 : 21,875.34 = 8,347.98 : x
  2. Step 2: Convert to fraction form
    14,606.94/21,875.34 = 8,347.98/x
  3. Step 3: Cross multiply
    14,606.94x = 21,875.34 × 8,347.98
  4. Step 4: Simplify right side
    14,606.94x = 182,614,900.81
  5. Step 5: Solve for x
    x = 182,614,900.81/14,606.94
  6. Step 6: Final answer
    x = 12,501.93

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1.5x scale

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.