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Finding the Fourth Proportional to 70,971.84, 97,948.06 and 53,035.70

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Solution

The fourth proportional to 70,971.84, 97,948.06 and 53,035.70 is: 73,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,971.84 : 97,948.06 = 53,035.70 : x
  2. Step 2: Convert to fraction form
    70,971.84/97,948.06 = 53,035.70/x
  3. Step 3: Cross multiply
    70,971.84x = 97,948.06 × 53,035.70
  4. Step 4: Simplify right side
    70,971.84x = 5,194,743,925.74
  5. Step 5: Solve for x
    x = 5,194,743,925.74/70,971.84
  6. Step 6: Final answer
    x = 73,194.44

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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.