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Finding the Fourth Proportional to 70,690.50, 97,480.56 and 46,808.46

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Solution

The fourth proportional to 70,690.50, 97,480.56 and 46,808.46 is: 64,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,690.50 : 97,480.56 = 46,808.46 : x
  2. Step 2: Convert to fraction form
    70,690.50/97,480.56 = 46,808.46/x
  3. Step 3: Cross multiply
    70,690.50x = 97,480.56 × 46,808.46
  4. Step 4: Simplify right side
    70,690.50x = 4,562,914,893.54
  5. Step 5: Solve for x
    x = 4,562,914,893.54/70,690.50
  6. Step 6: Final answer
    x = 64,547.78

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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.