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Finding the Fourth Proportional to 45,657.76, 63,002.64 and 25,785.76

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Solution

The fourth proportional to 45,657.76, 63,002.64 and 25,785.76 is: 35,581.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,657.76 : 63,002.64 = 25,785.76 : x
  2. Step 2: Convert to fraction form
    45,657.76/63,002.64 = 25,785.76/x
  3. Step 3: Cross multiply
    45,657.76x = 63,002.64 × 25,785.76
  4. Step 4: Simplify right side
    45,657.76x = 1,624,570,954.41
  5. Step 5: Solve for x
    x = 1,624,570,954.41/45,657.76
  6. Step 6: Final answer
    x = 35,581.49

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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.