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Finding the Fourth Proportional to 70,030.02, 96,637.50 and 39,811.10

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Solution

The fourth proportional to 70,030.02, 96,637.50 and 39,811.10 is: 54,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,030.02 : 96,637.50 = 39,811.10 : x
  2. Step 2: Convert to fraction form
    70,030.02/96,637.50 = 39,811.10/x
  3. Step 3: Cross multiply
    70,030.02x = 96,637.50 × 39,811.10
  4. Step 4: Simplify right side
    70,030.02x = 3,847,245,176.25
  5. Step 5: Solve for x
    x = 3,847,245,176.25/70,030.02
  6. Step 6: Final answer
    x = 54,937.09

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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.