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Finding the Fourth Proportional to 93,084.87, 128,459.34 and 52,801.35

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Solution

The fourth proportional to 93,084.87, 128,459.34 and 52,801.35 is: 72,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,084.87 : 128,459.34 = 52,801.35 : x
  2. Step 2: Convert to fraction form
    93,084.87/128,459.34 = 52,801.35/x
  3. Step 3: Cross multiply
    93,084.87x = 128,459.34 × 52,801.35
  4. Step 4: Simplify right side
    93,084.87x = 6,782,826,572.11
  5. Step 5: Solve for x
    x = 6,782,826,572.11/93,084.87
  6. Step 6: Final answer
    x = 72,867.12

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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.