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Finding the Fourth Proportional to 70,973.76, 97,925.76 and 52,078.08

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Solution

The fourth proportional to 70,973.76, 97,925.76 and 52,078.08 is: 71,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,973.76 : 97,925.76 = 52,078.08 : x
  2. Step 2: Convert to fraction form
    70,973.76/97,925.76 = 52,078.08/x
  3. Step 3: Cross multiply
    70,973.76x = 97,925.76 × 52,078.08
  4. Step 4: Simplify right side
    70,973.76x = 5,099,785,563.34
  5. Step 5: Solve for x
    x = 5,099,785,563.34/70,973.76
  6. Step 6: Final answer
    x = 71,854.52

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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.