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Finding the Fourth Proportional to 19,266.02, 28,875.40 and 10,953

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Solution

The fourth proportional to 19,266.02, 28,875.40 and 10,953 is: 16,416.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.02 : 28,875.40 = 10,953 : x
  2. Step 2: Convert to fraction form
    19,266.02/28,875.40 = 10,953/x
  3. Step 3: Cross multiply
    19,266.02x = 28,875.40 × 10,953
  4. Step 4: Simplify right side
    19,266.02x = 316,272,256.20
  5. Step 5: Solve for x
    x = 316,272,256.20/19,266.02
  6. Step 6: Final answer
    x = 16,416.07

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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.