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Finding the Fourth Proportional to 93,001.44, 128,352 and 52,710.87

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Solution

The fourth proportional to 93,001.44, 128,352 and 52,710.87 is: 72,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,001.44 : 128,352 = 52,710.87 : x
  2. Step 2: Convert to fraction form
    93,001.44/128,352 = 52,710.87/x
  3. Step 3: Cross multiply
    93,001.44x = 128,352 × 52,710.87
  4. Step 4: Simplify right side
    93,001.44x = 6,765,545,586.24
  5. Step 5: Solve for x
    x = 6,765,545,586.24/93,001.44
  6. Step 6: Final answer
    x = 72,746.68

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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.