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Finding the Fourth Proportional to 14,102.98, 21,152.08 and 6,607.32

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Solution

The fourth proportional to 14,102.98, 21,152.08 and 6,607.32 is: 9,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.98 : 21,152.08 = 6,607.32 : x
  2. Step 2: Convert to fraction form
    14,102.98/21,152.08 = 6,607.32/x
  3. Step 3: Cross multiply
    14,102.98x = 21,152.08 × 6,607.32
  4. Step 4: Simplify right side
    14,102.98x = 139,758,561.23
  5. Step 5: Solve for x
    x = 139,758,561.23/14,102.98
  6. Step 6: Final answer
    x = 9,909.86

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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.