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Finding the Fourth Proportional to 93,427, 128,929.26 and 59,893

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Solution

The fourth proportional to 93,427, 128,929.26 and 59,893 is: 82,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,427 : 128,929.26 = 59,893 : x
  2. Step 2: Convert to fraction form
    93,427/128,929.26 = 59,893/x
  3. Step 3: Cross multiply
    93,427x = 128,929.26 × 59,893
  4. Step 4: Simplify right side
    93,427x = 7,721,960,169.18
  5. Step 5: Solve for x
    x = 7,721,960,169.18/93,427
  6. Step 6: Final answer
    x = 82,652.34

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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.