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Finding the Fourth Proportional to 42,602.60, 63,845.58 and 27,031.16

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Solution

The fourth proportional to 42,602.60, 63,845.58 and 27,031.16 is: 40,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,602.60 : 63,845.58 = 27,031.16 : x
  2. Step 2: Convert to fraction form
    42,602.60/63,845.58 = 27,031.16/x
  3. Step 3: Cross multiply
    42,602.60x = 63,845.58 × 27,031.16
  4. Step 4: Simplify right side
    42,602.60x = 1,725,820,088.27
  5. Step 5: Solve for x
    x = 1,725,820,088.27/42,602.60
  6. Step 6: Final answer
    x = 40,509.74

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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.