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Finding the Fourth Proportional to 70,328.72, 97,054.55 and 38,496.93

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Solution

The fourth proportional to 70,328.72, 97,054.55 and 38,496.93 is: 53,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,328.72 : 97,054.55 = 38,496.93 : x
  2. Step 2: Convert to fraction form
    70,328.72/97,054.55 = 38,496.93/x
  3. Step 3: Cross multiply
    70,328.72x = 97,054.55 × 38,496.93
  4. Step 4: Simplify right side
    70,328.72x = 3,736,302,025.05
  5. Step 5: Solve for x
    x = 3,736,302,025.05/70,328.72
  6. Step 6: Final answer
    x = 53,126.27

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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.