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Finding the Fourth Proportional to 14,204.52, 19,602.47 and 7,916.89

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Solution

The fourth proportional to 14,204.52, 19,602.47 and 7,916.89 is: 10,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,204.52 : 19,602.47 = 7,916.89 : x
  2. Step 2: Convert to fraction form
    14,204.52/19,602.47 = 7,916.89/x
  3. Step 3: Cross multiply
    14,204.52x = 19,602.47 × 7,916.89
  4. Step 4: Simplify right side
    14,204.52x = 155,190,598.72
  5. Step 5: Solve for x
    x = 155,190,598.72/14,204.52
  6. Step 6: Final answer
    x = 10,925.44

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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.