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Finding the Fourth Proportional to 14,858.47, 20,501.35 and 8,483.02

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Solution

The fourth proportional to 14,858.47, 20,501.35 and 8,483.02 is: 11,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858.47 : 20,501.35 = 8,483.02 : x
  2. Step 2: Convert to fraction form
    14,858.47/20,501.35 = 8,483.02/x
  3. Step 3: Cross multiply
    14,858.47x = 20,501.35 × 8,483.02
  4. Step 4: Simplify right side
    14,858.47x = 173,913,362.08
  5. Step 5: Solve for x
    x = 173,913,362.08/14,858.47
  6. Step 6: Final answer
    x = 11,704.66

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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.