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Finding the Fourth Proportional to 93,472.60, 128,994.16 and 51,032.92

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Solution

The fourth proportional to 93,472.60, 128,994.16 and 51,032.92 is: 70,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,472.60 : 128,994.16 = 51,032.92 : x
  2. Step 2: Convert to fraction form
    93,472.60/128,994.16 = 51,032.92/x
  3. Step 3: Cross multiply
    93,472.60x = 128,994.16 × 51,032.92
  4. Step 4: Simplify right side
    93,472.60x = 6,582,948,647.75
  5. Step 5: Solve for x
    x = 6,582,948,647.75/93,472.60
  6. Step 6: Final answer
    x = 70,426.51

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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.