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Finding the Fourth Proportional to 70,657.34, 97,479.19 and 45,521.50

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Solution

The fourth proportional to 70,657.34, 97,479.19 and 45,521.50 is: 62,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,657.34 : 97,479.19 = 45,521.50 : x
  2. Step 2: Convert to fraction form
    70,657.34/97,479.19 = 45,521.50/x
  3. Step 3: Cross multiply
    70,657.34x = 97,479.19 × 45,521.50
  4. Step 4: Simplify right side
    70,657.34x = 4,437,398,947.59
  5. Step 5: Solve for x
    x = 4,437,398,947.59/70,657.34
  6. Step 6: Final answer
    x = 62,801.67

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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.