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Finding the Fourth Proportional to 60,642.28, 90,973.14 and 25,587.10

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Solution

The fourth proportional to 60,642.28, 90,973.14 and 25,587.10 is: 38,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,642.28 : 90,973.14 = 25,587.10 : x
  2. Step 2: Convert to fraction form
    60,642.28/90,973.14 = 25,587.10/x
  3. Step 3: Cross multiply
    60,642.28x = 90,973.14 × 25,587.10
  4. Step 4: Simplify right side
    60,642.28x = 2,327,738,830.49
  5. Step 5: Solve for x
    x = 2,327,738,830.49/60,642.28
  6. Step 6: Final answer
    x = 38,384.75

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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.