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Finding the Fourth Proportional to 70,693.70, 97,580.03 and 45,268.47

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Solution

The fourth proportional to 70,693.70, 97,580.03 and 45,268.47 is: 62,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,693.70 : 97,580.03 = 45,268.47 : x
  2. Step 2: Convert to fraction form
    70,693.70/97,580.03 = 45,268.47/x
  3. Step 3: Cross multiply
    70,693.70x = 97,580.03 × 45,268.47
  4. Step 4: Simplify right side
    70,693.70x = 4,417,298,434.31
  5. Step 5: Solve for x
    x = 4,417,298,434.31/70,693.70
  6. Step 6: Final answer
    x = 62,485.04

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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.