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Finding the Fourth Proportional to 21,573.52, 32,368.06 and 7,535.60

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Solution

The fourth proportional to 21,573.52, 32,368.06 and 7,535.60 is: 11,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573.52 : 32,368.06 = 7,535.60 : x
  2. Step 2: Convert to fraction form
    21,573.52/32,368.06 = 7,535.60/x
  3. Step 3: Cross multiply
    21,573.52x = 32,368.06 × 7,535.60
  4. Step 4: Simplify right side
    21,573.52x = 243,912,752.94
  5. Step 5: Solve for x
    x = 243,912,752.94/21,573.52
  6. Step 6: Final answer
    x = 11,306.12

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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.