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Finding the Fourth Proportional to 47,060.76, 64,943.92 and 25,841.40

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Solution

The fourth proportional to 47,060.76, 64,943.92 and 25,841.40 is: 35,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,060.76 : 64,943.92 = 25,841.40 : x
  2. Step 2: Convert to fraction form
    47,060.76/64,943.92 = 25,841.40/x
  3. Step 3: Cross multiply
    47,060.76x = 64,943.92 × 25,841.40
  4. Step 4: Simplify right side
    47,060.76x = 1,678,241,814.29
  5. Step 5: Solve for x
    x = 1,678,241,814.29/47,060.76
  6. Step 6: Final answer
    x = 35,661.17

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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.