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Finding the Fourth Proportional to 62,220.44, 85,836.88 and 42,070.03

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Solution

The fourth proportional to 62,220.44, 85,836.88 and 42,070.03 is: 58,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,220.44 : 85,836.88 = 42,070.03 : x
  2. Step 2: Convert to fraction form
    62,220.44/85,836.88 = 42,070.03/x
  3. Step 3: Cross multiply
    62,220.44x = 85,836.88 × 42,070.03
  4. Step 4: Simplify right side
    62,220.44x = 3,611,160,116.71
  5. Step 5: Solve for x
    x = 3,611,160,116.71/62,220.44
  6. Step 6: Final answer
    x = 58,038.16

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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.