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Finding the Fourth Proportional to 62,303.16, 85,980.30 and 35,449.56

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Solution

The fourth proportional to 62,303.16, 85,980.30 and 35,449.56 is: 48,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,303.16 : 85,980.30 = 35,449.56 : x
  2. Step 2: Convert to fraction form
    62,303.16/85,980.30 = 35,449.56/x
  3. Step 3: Cross multiply
    62,303.16x = 85,980.30 × 35,449.56
  4. Step 4: Simplify right side
    62,303.16x = 3,047,963,803.67
  5. Step 5: Solve for x
    x = 3,047,963,803.67/62,303.16
  6. Step 6: Final answer
    x = 48,921.50

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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.