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Finding the Fourth Proportional to 35,095.92, 48,428.16 and 19,988.58

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Solution

The fourth proportional to 35,095.92, 48,428.16 and 19,988.58 is: 27,581.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,095.92 : 48,428.16 = 19,988.58 : x
  2. Step 2: Convert to fraction form
    35,095.92/48,428.16 = 19,988.58/x
  3. Step 3: Cross multiply
    35,095.92x = 48,428.16 × 19,988.58
  4. Step 4: Simplify right side
    35,095.92x = 968,010,150.41
  5. Step 5: Solve for x
    x = 968,010,150.41/35,095.92
  6. Step 6: Final answer
    x = 27,581.84

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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.