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Finding the Fourth Proportional to 62,681.53, 93,973.08 and 42,900.12

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Solution

The fourth proportional to 62,681.53, 93,973.08 and 42,900.12 is: 64,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,681.53 : 93,973.08 = 42,900.12 : x
  2. Step 2: Convert to fraction form
    62,681.53/93,973.08 = 42,900.12/x
  3. Step 3: Cross multiply
    62,681.53x = 93,973.08 × 42,900.12
  4. Step 4: Simplify right side
    62,681.53x = 4,031,456,408.77
  5. Step 5: Solve for x
    x = 4,031,456,408.77/62,681.53
  6. Step 6: Final answer
    x = 64,316.50

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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.