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Finding the Fourth Proportional to 70,477.56, 97,260.41 and 38,646.52

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Solution

The fourth proportional to 70,477.56, 97,260.41 and 38,646.52 is: 53,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,477.56 : 97,260.41 = 38,646.52 : x
  2. Step 2: Convert to fraction form
    70,477.56/97,260.41 = 38,646.52/x
  3. Step 3: Cross multiply
    70,477.56x = 97,260.41 × 38,646.52
  4. Step 4: Simplify right side
    70,477.56x = 3,758,776,233.74
  5. Step 5: Solve for x
    x = 3,758,776,233.74/70,477.56
  6. Step 6: Final answer
    x = 53,332.95

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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.