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Finding the Fourth Proportional to 21,652.98, 32,465.07 and 7,800.18

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Solution

The fourth proportional to 21,652.98, 32,465.07 and 7,800.18 is: 11,695.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.98 : 32,465.07 = 7,800.18 : x
  2. Step 2: Convert to fraction form
    21,652.98/32,465.07 = 7,800.18/x
  3. Step 3: Cross multiply
    21,652.98x = 32,465.07 × 7,800.18
  4. Step 4: Simplify right side
    21,652.98x = 253,233,389.71
  5. Step 5: Solve for x
    x = 253,233,389.71/21,652.98
  6. Step 6: Final answer
    x = 11,695.08

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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.