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Finding the Fourth Proportional to 70,501.69, 97,314.12 and 45,351.19

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Solution

The fourth proportional to 70,501.69, 97,314.12 and 45,351.19 is: 62,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,501.69 : 97,314.12 = 45,351.19 : x
  2. Step 2: Convert to fraction form
    70,501.69/97,314.12 = 45,351.19/x
  3. Step 3: Cross multiply
    70,501.69x = 97,314.12 × 45,351.19
  4. Step 4: Simplify right side
    70,501.69x = 4,413,310,432.48
  5. Step 5: Solve for x
    x = 4,413,310,432.48/70,501.69
  6. Step 6: Final answer
    x = 62,598.65

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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.