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Finding the Fourth Proportional to 14,030.82, 21,034.08 and 6,631.47

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Solution

The fourth proportional to 14,030.82, 21,034.08 and 6,631.47 is: 9,941.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.82 : 21,034.08 = 6,631.47 : x
  2. Step 2: Convert to fraction form
    14,030.82/21,034.08 = 6,631.47/x
  3. Step 3: Cross multiply
    14,030.82x = 21,034.08 × 6,631.47
  4. Step 4: Simplify right side
    14,030.82x = 139,486,870.50
  5. Step 5: Solve for x
    x = 139,486,870.50/14,030.82
  6. Step 6: Final answer
    x = 9,941.46

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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.