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Finding the Fourth Proportional to 70,897.02, 97,842.24 and 39,065.91

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Solution

The fourth proportional to 70,897.02, 97,842.24 and 39,065.91 is: 53,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,897.02 : 97,842.24 = 39,065.91 : x
  2. Step 2: Convert to fraction form
    70,897.02/97,842.24 = 39,065.91/x
  3. Step 3: Cross multiply
    70,897.02x = 97,842.24 × 39,065.91
  4. Step 4: Simplify right side
    70,897.02x = 3,822,296,142.04
  5. Step 5: Solve for x
    x = 3,822,296,142.04/70,897.02
  6. Step 6: Final answer
    x = 53,913.35

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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.