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Finding the Fourth Proportional to 14,303.55, 21,450.06 and 4,941.16

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Solution

The fourth proportional to 14,303.55, 21,450.06 and 4,941.16 is: 7,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.55 : 21,450.06 = 4,941.16 : x
  2. Step 2: Convert to fraction form
    14,303.55/21,450.06 = 4,941.16/x
  3. Step 3: Cross multiply
    14,303.55x = 21,450.06 × 4,941.16
  4. Step 4: Simplify right side
    14,303.55x = 105,988,178.47
  5. Step 5: Solve for x
    x = 105,988,178.47/14,303.55
  6. Step 6: Final answer
    x = 7,409.92

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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.