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Finding the Fourth Proportional to 42,645.52, 58,929.02 and 40,597.03

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Solution

The fourth proportional to 42,645.52, 58,929.02 and 40,597.03 is: 56,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,645.52 : 58,929.02 = 40,597.03 : x
  2. Step 2: Convert to fraction form
    42,645.52/58,929.02 = 40,597.03/x
  3. Step 3: Cross multiply
    42,645.52x = 58,929.02 × 40,597.03
  4. Step 4: Simplify right side
    42,645.52x = 2,392,343,192.81
  5. Step 5: Solve for x
    x = 2,392,343,192.81/42,645.52
  6. Step 6: Final answer
    x = 56,098.35

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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.