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Finding the Fourth Proportional to 63,482.40, 87,599.52 and 35,187.48

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Solution

The fourth proportional to 63,482.40, 87,599.52 and 35,187.48 is: 48,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,482.40 : 87,599.52 = 35,187.48 : x
  2. Step 2: Convert to fraction form
    63,482.40/87,599.52 = 35,187.48/x
  3. Step 3: Cross multiply
    63,482.40x = 87,599.52 × 35,187.48
  4. Step 4: Simplify right side
    63,482.40x = 3,082,406,358.01
  5. Step 5: Solve for x
    x = 3,082,406,358.01/63,482.40
  6. Step 6: Final answer
    x = 48,555.29

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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.