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Finding the Fourth Proportional to 21,566.71, 32,352.90 and 7,526.98

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Solution

The fourth proportional to 21,566.71, 32,352.90 and 7,526.98 is: 11,291.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566.71 : 32,352.90 = 7,526.98 : x
  2. Step 2: Convert to fraction form
    21,566.71/32,352.90 = 7,526.98/x
  3. Step 3: Cross multiply
    21,566.71x = 32,352.90 × 7,526.98
  4. Step 4: Simplify right side
    21,566.71x = 243,519,631.24
  5. Step 5: Solve for x
    x = 243,519,631.24/21,566.71
  6. Step 6: Final answer
    x = 11,291.46

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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.