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Finding the Fourth Proportional to 65,303.04, 90,118.24 and 35,495.04

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Solution

The fourth proportional to 65,303.04, 90,118.24 and 35,495.04 is: 48,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,303.04 : 90,118.24 = 35,495.04 : x
  2. Step 2: Convert to fraction form
    65,303.04/90,118.24 = 35,495.04/x
  3. Step 3: Cross multiply
    65,303.04x = 90,118.24 × 35,495.04
  4. Step 4: Simplify right side
    65,303.04x = 3,198,750,533.53
  5. Step 5: Solve for x
    x = 3,198,750,533.53/65,303.04
  6. Step 6: Final answer
    x = 48,983.18

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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.