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Finding the Fourth Proportional to 70,618.88, 97,462.70 and 40,810.88

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Solution

The fourth proportional to 70,618.88, 97,462.70 and 40,810.88 is: 56,324.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,618.88 : 97,462.70 = 40,810.88 : x
  2. Step 2: Convert to fraction form
    70,618.88/97,462.70 = 40,810.88/x
  3. Step 3: Cross multiply
    70,618.88x = 97,462.70 × 40,810.88
  4. Step 4: Simplify right side
    70,618.88x = 3,977,537,862.81
  5. Step 5: Solve for x
    x = 3,977,537,862.81/70,618.88
  6. Step 6: Final answer
    x = 56,324.00

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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.