Finding the Fourth Proportional to 93,646.19, 129,240.19 and 53,372.93
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Solution
The fourth proportional to 93,646.19, 129,240.19 and 53,372.93 is: 73,659.46
Step by Step Solution
- Step 1: Write the proportion equation
93,646.19 : 129,240.19 = 53,372.93 : x - Step 2: Convert to fraction form
93,646.19/129,240.19 = 53,372.93/x - Step 3: Cross multiply
93,646.19x = 129,240.19 × 53,372.93 - Step 4: Simplify right side
93,646.19x = 6,897,927,347.19 - Step 5: Solve for x
x = 6,897,927,347.19/93,646.19 - Step 6: Final answer
x = 73,659.46
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Half scale
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Double scale
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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.