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Finding the Fourth Proportional to 14,602.60, 21,907.50 and 4,215.16

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Solution

The fourth proportional to 14,602.60, 21,907.50 and 4,215.16 is: 6,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.60 : 21,907.50 = 4,215.16 : x
  2. Step 2: Convert to fraction form
    14,602.60/21,907.50 = 4,215.16/x
  3. Step 3: Cross multiply
    14,602.60x = 21,907.50 × 4,215.16
  4. Step 4: Simplify right side
    14,602.60x = 92,343,617.70
  5. Step 5: Solve for x
    x = 92,343,617.70/14,602.60
  6. Step 6: Final answer
    x = 6,323.78

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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.