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Finding the Fourth Proportional to 70,641.44, 97,528 and 46,788.56

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Solution

The fourth proportional to 70,641.44, 97,528 and 46,788.56 is: 64,596.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,641.44 : 97,528 = 46,788.56 : x
  2. Step 2: Convert to fraction form
    70,641.44/97,528 = 46,788.56/x
  3. Step 3: Cross multiply
    70,641.44x = 97,528 × 46,788.56
  4. Step 4: Simplify right side
    70,641.44x = 4,563,194,679.68
  5. Step 5: Solve for x
    x = 4,563,194,679.68/70,641.44
  6. Step 6: Final answer
    x = 64,596.57

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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.