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Finding the Fourth Proportional to 70,607.30, 97,437.00 and 40,400.04

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Solution

The fourth proportional to 70,607.30, 97,437.00 and 40,400.04 is: 55,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,607.30 : 97,437.00 = 40,400.04 : x
  2. Step 2: Convert to fraction form
    70,607.30/97,437.00 = 40,400.04/x
  3. Step 3: Cross multiply
    70,607.30x = 97,437.00 × 40,400.04
  4. Step 4: Simplify right side
    70,607.30x = 3,936,458,826.70
  5. Step 5: Solve for x
    x = 3,936,458,826.70/70,607.30
  6. Step 6: Final answer
    x = 55,751.45

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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.