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Finding the Fourth Proportional to 70,444.95, 97,212.49 and 38,613.16

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Solution

The fourth proportional to 70,444.95, 97,212.49 and 38,613.16 is: 53,285.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,444.95 : 97,212.49 = 38,613.16 : x
  2. Step 2: Convert to fraction form
    70,444.95/97,212.49 = 38,613.16/x
  3. Step 3: Cross multiply
    70,444.95x = 97,212.49 × 38,613.16
  4. Step 4: Simplify right side
    70,444.95x = 3,753,681,430.37
  5. Step 5: Solve for x
    x = 3,753,681,430.37/70,444.95
  6. Step 6: Final answer
    x = 53,285.32

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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.