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Finding the Fourth Proportional to 65,070.30, 97,605.45 and 25,614.30

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Solution

The fourth proportional to 65,070.30, 97,605.45 and 25,614.30 is: 38,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,070.30 : 97,605.45 = 25,614.30 : x
  2. Step 2: Convert to fraction form
    65,070.30/97,605.45 = 25,614.30/x
  3. Step 3: Cross multiply
    65,070.30x = 97,605.45 × 25,614.30
  4. Step 4: Simplify right side
    65,070.30x = 2,500,095,277.94
  5. Step 5: Solve for x
    x = 2,500,095,277.94/65,070.30
  6. Step 6: Final answer
    x = 38,421.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.