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Finding the Fourth Proportional to 15,763.01, 21,752.63 and 8,592.98

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Solution

The fourth proportional to 15,763.01, 21,752.63 and 8,592.98 is: 11,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763.01 : 21,752.63 = 8,592.98 : x
  2. Step 2: Convert to fraction form
    15,763.01/21,752.63 = 8,592.98/x
  3. Step 3: Cross multiply
    15,763.01x = 21,752.63 × 8,592.98
  4. Step 4: Simplify right side
    15,763.01x = 186,919,762.81
  5. Step 5: Solve for x
    x = 186,919,762.81/15,763.01
  6. Step 6: Final answer
    x = 11,858.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.