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Finding the Fourth Proportional to 14,900.64, 20,559.48 and 8,933.40

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Solution

The fourth proportional to 14,900.64, 20,559.48 and 8,933.40 is: 12,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.64 : 20,559.48 = 8,933.40 : x
  2. Step 2: Convert to fraction form
    14,900.64/20,559.48 = 8,933.40/x
  3. Step 3: Cross multiply
    14,900.64x = 20,559.48 × 8,933.40
  4. Step 4: Simplify right side
    14,900.64x = 183,666,058.63
  5. Step 5: Solve for x
    x = 183,666,058.63/14,900.64
  6. Step 6: Final answer
    x = 12,326.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.