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Finding the Fourth Proportional to 70,652.00, 97,499.50 and 38,386.40

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Solution

The fourth proportional to 70,652.00, 97,499.50 and 38,386.40 is: 52,973.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,652.00 : 97,499.50 = 38,386.40 : x
  2. Step 2: Convert to fraction form
    70,652.00/97,499.50 = 38,386.40/x
  3. Step 3: Cross multiply
    70,652.00x = 97,499.50 × 38,386.40
  4. Step 4: Simplify right side
    70,652.00x = 3,742,654,223.34
  5. Step 5: Solve for x
    x = 3,742,654,223.34/70,652.00
  6. Step 6: Final answer
    x = 52,973.08

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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.