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Finding the Fourth Proportional to 70,515.66, 97,227.63 and 64,567.02

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Solution

The fourth proportional to 70,515.66, 97,227.63 and 64,567.02 is: 89,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,515.66 : 97,227.63 = 64,567.02 : x
  2. Step 2: Convert to fraction form
    70,515.66/97,227.63 = 64,567.02/x
  3. Step 3: Cross multiply
    70,515.66x = 97,227.63 × 64,567.02
  4. Step 4: Simplify right side
    70,515.66x = 6,277,698,330.76
  5. Step 5: Solve for x
    x = 6,277,698,330.76/70,515.66
  6. Step 6: Final answer
    x = 89,025.59

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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.