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Finding the Fourth Proportional to 70,544.34, 97,316.51 and 51,394.32

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Solution

The fourth proportional to 70,544.34, 97,316.51 and 51,394.32 is: 70,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,544.34 : 97,316.51 = 51,394.32 : x
  2. Step 2: Convert to fraction form
    70,544.34/97,316.51 = 51,394.32/x
  3. Step 3: Cross multiply
    70,544.34x = 97,316.51 × 51,394.32
  4. Step 4: Simplify right side
    70,544.34x = 5,001,515,599.25
  5. Step 5: Solve for x
    x = 5,001,515,599.25/70,544.34
  6. Step 6: Final answer
    x = 70,898.89

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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.