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Finding the Fourth Proportional to 70,587.54, 97,344.81 and 56,294.91

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Solution

The fourth proportional to 70,587.54, 97,344.81 and 56,294.91 is: 77,634.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,587.54 : 97,344.81 = 56,294.91 : x
  2. Step 2: Convert to fraction form
    70,587.54/97,344.81 = 56,294.91/x
  3. Step 3: Cross multiply
    70,587.54x = 97,344.81 × 56,294.91
  4. Step 4: Simplify right side
    70,587.54x = 5,480,017,317.92
  5. Step 5: Solve for x
    x = 5,480,017,317.92/70,587.54
  6. Step 6: Final answer
    x = 77,634.34

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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.