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Finding the Fourth Proportional to 21,875.67, 32,807.84 and 9,397.71

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Solution

The fourth proportional to 21,875.67, 32,807.84 and 9,397.71 is: 14,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875.67 : 32,807.84 = 9,397.71 : x
  2. Step 2: Convert to fraction form
    21,875.67/32,807.84 = 9,397.71/x
  3. Step 3: Cross multiply
    21,875.67x = 32,807.84 × 9,397.71
  4. Step 4: Simplify right side
    21,875.67x = 308,318,519.06
  5. Step 5: Solve for x
    x = 308,318,519.06/21,875.67
  6. Step 6: Final answer
    x = 14,094.13

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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.