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Finding the Fourth Proportional to 70,452.32, 105,583.44 and 35,417.12

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Solution

The fourth proportional to 70,452.32, 105,583.44 and 35,417.12 is: 53,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,452.32 : 105,583.44 = 35,417.12 : x
  2. Step 2: Convert to fraction form
    70,452.32/105,583.44 = 35,417.12/x
  3. Step 3: Cross multiply
    70,452.32x = 105,583.44 × 35,417.12
  4. Step 4: Simplify right side
    70,452.32x = 3,739,461,364.49
  5. Step 5: Solve for x
    x = 3,739,461,364.49/70,452.32
  6. Step 6: Final answer
    x = 53,077.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.