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Finding the Fourth Proportional to 70,295.71, 97,009.65 and 38,464.60

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Solution

The fourth proportional to 70,295.71, 97,009.65 and 38,464.60 is: 53,082.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,295.71 : 97,009.65 = 38,464.60 : x
  2. Step 2: Convert to fraction form
    70,295.71/97,009.65 = 38,464.60/x
  3. Step 3: Cross multiply
    70,295.71x = 97,009.65 × 38,464.60
  4. Step 4: Simplify right side
    70,295.71x = 3,731,437,383.39
  5. Step 5: Solve for x
    x = 3,731,437,383.39/70,295.71
  6. Step 6: Final answer
    x = 53,082.01

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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.